题目内容
Planning a trip is easy, ________ packing luggage can be a little bit difficult.
A.but B.or C.so D.for
A teacher was asking a student some questions in her office, but the student _______ answer any of them. The teacher decided to give him some _______ questions so that he could get _______ of them right.
“Who was Beethoven (贝多芬)?” the teacher asked. The student _______ for some time and said, “ A king. ” “_______. He was a musician, ” the teacher said. She was getting a little _______now, _______ she was trying not to show it.
“Who was the first president(总统) of the USA?” she asked. The student thought for a long time, but he didn’t say _______. The teacher was very angry and _______, “ George Washington（乔治·华盛顿）! ” The student got up and walked to the door.
“Come back!” the teacher said, “I __________ you to go.”
“Oh, I’m sorry,” the student said, “I thought you called the next student.”
1.A.could B.had to C.couldn’t
2.A.easy B.nice C.difficult
3.A.little B.a little C.a few
4.A.listened B.thought C.guessed
5.A.Yes B.Maybe C.No
6.A.angry B.happy C.interested
7.A.so B.but C.or
8.A.anything B.nothing C.something
9.A.spoke B.told C.shouted(大喊)
10.A.didn’t tell B.not let C.told
A: Hi, Mark! Let's think about TV shows.
B: OK. 1.
A: No, I don't. I watch it three times a week.
B: 2.
A: Sports News.
B: But I think it's boring. I never watch it.
A: 3. I think it's interesting and relaxing.
B: 4.
A: Great. I love them. From them I can learn a lot about famous people.
B: What about soap operas?
A: 5. Usually I don't watch them but sometimes I watch them for fun.
A.I don't mind them.
B.Where are you from?
C.I have a different idea from you.
D.How long do you live there?
E.Do you watch TV every day?
F.What's your favorite program?
G.What do you think of talk shows?
Mr. Smith wrote a true story about his holiday in China. (改为被动语态)
A true story ________ ________ by Mr. Smith about his holiday in China.
________ exciting form of dance Tap dancing is!
A.What B.What a C.What an D.How
India is the third ________ producer of books in the language of English in the world.
A.large B.larger C.the largest D.largest
Which of the following underlined parts is different in pronunciation?
A.continue B.kick C.finger D.decide
-Jack is telling everyone he has bought a new car.
Pay no attention to him. He is just_____
A. taking off B. showing off C. driving off D. setting off
Tide is the regular rise and fall of the ocean level caused by the movement of the sun, the earth and the moon. It is considered a promising source of green energy to produce electricity in coastal areas.
To make use of tidal energy, we need to build tidal power stations. The bays and the river mouths where the tide is high (the tidal range is more than 10 metres) are usually perfect sites to build tidal power stations. There are many such places in the world. According to the IRENA (the International Renewable Energy Agency), by just using 2% of our coastlines, we can produce 4, 383TWh of ocean power each year, enough to meet 16. 4% of the world's electricity needs.
To build a tidal power station, we need to build a dam. In the dam are many turbines and on each turbine there is an electric generator. When the tide rises, water comes through the dam, the turbines turn and the electric generators work, producing electricity. When the tide fall, water goes out through the dam, the turbines turn again. The electric generators continue to work.
Tidal energy has it advantages. Using tidal energy to produce electricity is much cheaper than using the traditional energy, like coal or gas. For example, the Rance Tidal Power Station in France has been there for over 50 years, producing around 540, 000TWh of electricity each year. The cost is only 1.3 cents/TWh. Tidal energy can be used nearly 24 hours a day. As long as the sun, the earth and the moon exist, we can use it to produce electricity. But without sunshine, here is no solar energy. When there is no wind, electric generators will not work. In addition, with the development of modern technology, tidal energy can be stored and used to produce electricity continuously. However, we still have some problems to solve. It is difficult to build a dam in the sea, and the cost is very high. Moreover, it's expensive to keep a tidal power station in is best condition.
Scientists are working on them.
1.A tidal power station is best built __________.
A.at a river mouth with wind B.along the coast with waves
C.in a bay with tide high enough D.in coastal areas with sunshine
2.The underlined word "turbine" in Paragraph There is a machine to__________.
A.make the tide rise and fall B.make an electric generator work
C.let water go through the dam D.keep the dam in good condition
3.What advantage does tidal energy have?
A.We can use it to get useful tide. B.It can improve the ocean environment.
C.We can use it nearly all the time. D.It meets 16. 4% of the electricity needs.
4.How can we make better use of tidal energy?
A.By digging more bays and river mouths.
B.By building cheaper tidal power stations.
C.By closing traditional electric power.
D.By using tidal energy to replace other energy.
