A dense wave of smog began in the Chinese city of Harbin and the surrounding Heilongjiang, Jilin, and Liaoning Provinces on 20 October 2013. Unseasonably warm temperatures with very little wind across northeastern China coincided with the smoke from local farmers’ burning straws and the start-up of Harbin’s coal-powered central heating system.

Record densities of fine particulates(微粒)were measured in the city. In Harbin, the levels of PM2.5 (particulate matter) rise to 1,000 micrograms per cubic meter, worse than Beijing’s historic highs. Visibility was reduced to below 50m in parts of Harbin, and below 500m in most of the neighbouring Jilin Province. On Fa Yuen Street in Harbin, visibility of less than 5m was reported. The smog reduced after October 23, 2013 and completely broke up on October 28, 2013 by the first local snow and icy rain due to a cold front moving in from Russia.

Harbin lies in the north of China where winter temperatures can drop to -40℃, demanding a six-month heating season. Daily particulate levels of more than 40 times the World Health Organization recommended maximum level were reported in parts of Harbin. The smog remained till 23 October, when almost all monitoring stations in Heilongjiang, Jilin, and Liaoning Provinces reported readings above 200μg/m³forPM2.5. PM2.5 is the amount of particulate matter less than 2.5 micrometers in diameter in the air, with the WHO recommending a maximum 24-hour mean (平均值) of 25 micrograms per cubic meter (μg/m³). On the morning of 25 October, PM2.5 measurements in Harbin had fallen to an average of 123μg/m³.

All highways in the surrounding Heilongjiang Province were closed. In Harbin, all primary and middle schools were closed for three days and authorities stopped flights at the airports. Hospitals reported a 23 percent increase in admissions for breathing problems. However, this smog will have no influence on Harbin Ice Festival events later in December 2013.

Air pollution in Chinese cities is of increasing concern to China’s leadership. Particulates in the air can affect human health and also have influences on climate and rainfall. Pollution from the burning of coal has reduced life expectancy by 5.5 years in the north of China, as a result of heart and lung diseases.

1.One cause of the heavy smog in the northeastern Chinese cities may be _____.

A. the lasting cold weather                         

B. farmers’ burning of forests

C. too much strong wind                              

D. the start-up of heating system

2.One serious influence of the heavy smog was that_____.

A. Harbin Ice Festival would be cancelled    

B. highways in Heilongjiang were free of charge

C. all flights at the airport were cancelled    

D. doctors in hospitals were kept from working

3.The harmful smog was most serious on ______.

A. October 20      B. October 23    C. October 25     D. October 28

4.What measure might be practical to reduce the happening of heavy smog?

A. Forbidding people to own their private cars.    

B. Advocating people having one meal a day.

C. Using natural gas to cook instead of coal.      

D. Encouraging family’s coal-fired heating.

完形填空(共20小题；每小题1.5分，满分30分)

阅读下面短文，掌握其大意，然后从21~40各题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题纸上将该选项标号涂黑。

The books in David’s schoolbag felt like bricks as he ran down the street.What he wanted to do was to play basketball with Eric.   21   his mother told him he would have to return his sister’s books to the library first.

He had   22   set foot in a library and he wasn’t about to do so today.He would just  23  

the books in the outside return box.But there was a   24  ;it was locked.

He went into the building,only a few minutes   25   closing time.He put the books into the return box.And after a brief   26   in the toilet,he would be on his way to the playground to   27   Eric.

David stepped out of the toilet and stopped in   28  —the library lights were off.The place was   29  .The doors had been shut.They   30   be opened from the inside.He was trapped(被困)—in a library!

He tried to   31   a telephone call,but was unable to   32  .What’s worse,the pay phones were on the outside of the building.  33    the sun began to set,he searched for a light and found it.

   34   he could see.David wrote on a piece of paper:“    35   !I’m TRAPPED inside!”and stuck it to the glass door.   36  ,someone passing by would see it.

He was surprised to discover that this place was not so unpleasant,   37  .Rows and rows of shelves held books,videos and music.He saw a book about Michael Jordan and took it off the shelf.He settled into a chair and started to   38  .

He knew he had to   39  ,but now,that didn’t seem to be such a   40   thing.

21.A.but                       B.because                     C.or                             D.since

22.A.ever                            B.nearly                       C.never                        D.often

23.A.pass                            B.drop                         C.carry                        D.take

24.A.problem               B.mistake                     C.case                          D.question

25.A.during                  B.after                         C.over                          D.before

26.A.rest                      B.break                        C.walk                         D.stop

27.A.visit                            B.meet                         C.catch                         D.greet

28.A.delight                 B.anger                        C.surprise                     D.eagerness

29.A.lonely                  B.empty                       C.noisy                        D.crowded

30.A.wouldn’t                     B.shouldn’t                   C.couldn’t                    D.needn’t

31.A.make                    B.fix                            C.use                           D.pick

32.A.get on                  B.get up                       C.get through                D.get in

33.A.If                         B.As                            C.Though                     D.Until

34.A.On time                                                   B.Now and then

C.By the way                                                  D.At last

35.A.Come                   B.Help                         C.Hello                        D.Sorry

36.A.Surely                  B.Thankfully                C.Truly                        D.Gradually

37.A.at most                 B.after all                            C.in short                            D.as usual

38.A.watch                   B.play                          C.read                          D.write

39.A.wait                            B.stand                         C.sleep                         D.work

40.A.bad                     B.cool                          C.strange                      D.nice

The books in David’s schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric,  21  his mother told him he would have to return his sister’s books to the library first.

He had  22   set foot in a library and he wasn’t about to do so today. He would just  23  the books in the outside return box. But there was a  24  :it was locked.

He went into the building, only a few minutes  25  closing time. He put the books into the return box. And after a brief  26  in the toilet, he would be on his way to the playground to  27  Eric.

David stepped out of the toilet and stopped in  28  — the library lights were off. The place was  29 . The doors had been shut. They  30  be opened from the inside. He was trapped(被困) — in a library!

He tried to  31  a telephone call, but was unable to  32 . What’s worse, the pay phones were on the outside of the building.  33  the sun began to set, he searched for a light and found it.

 34  he could see. David wrote on a piece of paper: “  35  ! I’m TRAPPED inside!” and stuck it to the glass door.  36  , someone passing by would see it.

He was surprised to discover that this place was not so unpleasant,  37  . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to  38  .

He knew he had to  39  , but now, that didn’t seem to be such a  40  thing.

21. A. but                    B. because                   C. or                           D. since

22. A. ever                   B. nearly                     C. never               D. often

23. A. pass                   B. drop                               C. carry                D. take

24. A. problem            B. mistake                   C. case                 D. question

25. A. during               B. after                               C. over                 D. before

26. A. rest                    B. break                      C. walk                D. stop

27. A. visit                   B. meet                       C. catch                D. greet

28.A. delight                B. anger                      C. surprise                   D. eagerness

29. A. lonely                B. empty                     C. noisy                D. crowded

30. A. wouldn’t                   B. shouldn’t                 C. couldn’t                  D. needn’t

31. A. make                 B. fix                                 C. use                   D. pick

32. A. get on                B. get up                     C. get through               D. get in

33. A. If                             B. As                                  C. Though                   D. Until

34. A. On time                    B. Now and then                 C. By the way               D. At last

35. A. Come                B. Help                       C. Hello                      D. Sorry

36. A. Surely               B. Thankfully               C. Truly                      D. Gradually

37. A. at most              B. after all                   C. in short                   D. as usual

38. A. watch                B. play                        C. read                D. write

39. A. wait                   B. stand                       C. sleep               D. work

40. A. bad                    B. cool                        C. strange                    D. nice

Everyone wants to win a first-place blue ribbon, to be the best in something. Even kids in Kindergarten want that blue ribbon. In sports, I was never a blue-ribbon person. In a race, I was always  36 . In baseball I was likely to be  37  on the head or drop the ball. During the spring of my kindergarten year, our class had a field trip to a park in a town about twenty miles away. Making that drive now is no big  38  but when you’re six and you’ve lived in a town of 300 people all your life, going to a big town of a couple of thousand people is really something.
I don’t remember too much about it. But there was one that I will never forget —the __39__ race. The parents tied our feet together. One little boy got me for a  40  . He was the second most   41 boy in our class so he usually won at everything and I knew that with me tied to him he didn’t have a chance. And I’m sure he knew he was in trouble. The gun sounded and we were off. Some couples were falling and stumbling all around us,  42   we stayed on our feet and made it to the other side.  43  , when we turned around and headed back for home, we were in the lead! Only one couple had a chance to win, and they were a good several yards behind us.
A few feet from the finish line, disaster struck: I tripped and fell. We were   44  enough that my partner could have easily dragged me across the finish line and won. But he didn’t. Instead he stopped,   45   down and helped me up — just at the other couple crossed the finish line. As a result, we received a small red ribbon for coming in second.
I still remember that moment when the young boy decided that helping a friend get on her feet was more important than winning a blue ribbon. And 13 years later, I still have that little ribbon because it’s a   46   that a friend like this boy is one who really   47  .  

完形填空(共20小题；每小题1.5分，满分30分)
阅读下面短文，掌握其大意，然后从21~40各题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题纸上将该选项标号涂黑。
The books in David’s schoolbag felt like bricks as he ran down the street.What he wanted to do was to play basketball with Eric.   21   his mother told him he would have to return his sister’s books to the library first.
He had   22   set foot in a library and he wasn’t about to do so today.He would just  23  
the books in the outside return box.But there was a   24  ;it was locked.
He went into the building,only a few minutes   25   closing time.He put the books into the return box.And after a brief   26   in the toilet,he would be on his way to the playground to   27   Eric.
David stepped out of the toilet and stopped in   28  —the library lights were off.The place was   29  .The doors had been shut.They   30   be opened from the inside.He was trapped(被困)—in a library!
He tried to   31   a telephone call,but was unable to   32  .What’s worse,the pay phones were on the outside of the building.  33    the sun began to set,he searched for a light and found it.
   34   he could see.David wrote on a piece of paper:“    35   !I’m TRAPPED inside!”and stuck it to the glass door.   36  ,someone passing by would see it.
He was surprised to discover that this place was not so unpleasant,   37  .Rows and rows of shelves held books,videos and music.He saw a book about Michael Jordan and took it off the shelf.He settled into a chair and started to   38  .
He knew he had to   39  ,but now,that didn’t seem to be such a   40   thing.
21.A.but                       B.because                     C.or                             D.since
22.A.ever                            B.nearly                       C.never                        D.often
23.A.pass                            B.drop                         C.carry                        D.take
24.A.problem               B.mistake                     C.case                          D.question
25.A.during                  B.after                         C.over                          D.before
26.A.rest                      B.break                        C.walk                         D.stop
27.A.visit                            B.meet                         C.catch                         D.greet
28.A.delight                 B.anger                        C.surprise                     D.eagerness
29.A.lonely                  B.empty                       C.noisy                        D.crowded
30.A.wouldn’t                     B.shouldn’t                   C.couldn’t                    D.needn’t
31.A.make                    B.fix                            C.use                           D.pick
32.A.get on                  B.get up                       C.get through                D.get in
33.A.If                         B.As                            C.Though                     D.Until
34.A.On time                                                   B.Now and then
C.By the way                                                  D.At last
35.A.Come                   B.Help                         C.Hello                        D.Sorry
36.A.Surely                  B.Thankfully                C.Truly                        D.Gradually
37.A.at most                 B.after all                            C.in short                            D.as usual
38.A.watch                   B.play                          C.read                          D.write
39.A.wait                            B.stand                         C.sleep                         D.work
40.A.bad                     B.cool                          C.strange                      D.nice