摘要:A 由If the traffic lights are red, the traffic must stop. Then the people on foot can cross the road.可知选A.

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What do you do if you're stranded(处于困境的)on a lonely island? Surely you need to find a way to get in touch with the outside world. Your best chance of doing this is to draw the attention of a passing plane.

  Body signals(信号)

  Pilots from different countries understand body signals if they have the correct training. When you wave your arms up and down in a straight line, it means "yes". When you point downwards and swing your arm from side to side, it means "no". If you want the pilot to know that it's safe to land, push your hands out in front of you and bend(弯曲)your knees. If you want to say that it's not safe to land, put your arms in the air and move them to one side.

  Smoke signals

  The smoke from a fire can be seen from far away, so it's a good way to draw attention. If the weather is dry, it isn't hard to start a fire. Remember, however, that fires can be very dangerous if they get out of control. Never light a fire unless you're sure that it can't spread. If the ground is dark, light smoke can be seen more easily. Green grass and leaves produce light smoke.

  Ground-to-air signals

  It's a good idea to build some signals, too. Use large pieces of wood to make the symbols(标记). If you can't find any wood, use earth. Some useful symbols are:

  F "I need food and water."

  II "I need medicine."

  I "I am badly hurt."

  X" I am unable to move from here."

  Pilots' replies

  If the pilot lowers the plane's wings from side to side, this means "message received and understood". (At night, the pilot flashes the plane's green lights.) If the pilots flies the plane in a clockwise circle, this means "message received but not understood".(At night, the pilot flashes the plane's red lights.)

However, there is no signal which means "message not received". Why not?

 

1. Which picture means "it's not safe land"?

 

 

 

 

2. What can we learn from the passage?

  A. Swinging your arm from side to side means "yes".

  B. If the ground is dark, light smoke can't be seen.

  C. If you need some medicine, make a symbol "II".

  D. The pilots make replies with a blue light at night.

  3. What is the passage mainly about?

  A. The explanation of building signals on an island.

  B. The importance of making signals on an island.

  C. Ways of sending out signals on a lonely island.

D. Ways of receiving signals from a lonely island

 

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完形填空,阅读下面的短文,掌握其大意,然后从短文后各题所给的ABCD四个选项中,选择最佳选项。

  A

  IQ(intelligence quotient智商)is a score that shows a person’s level of intelligence. People used to believe that some people are born with a high IQ and some aren’t.

 1 a study by scientist at University College London has challenged(挑战)this idea. According to an article last October on the Journal Nature, scientists are beginning to think that our IQ is not a constant(不变的)score.

  The scientists tested 33 healthy young people in 2004 between the ages of 12 and 16. Then they did tests again four years later, when the same people were between 16 and 20.

  Scientists found big changes in the IQ scores between 2008 and 2004. Some 2and some fell 3 as many as 21 points.

  To test whether these scores were meaningful, the scientists compared them with results from brain scans(扫描). They found that the IQ changes matched changes in the structure(结构)of the subjects’ brains. “A change in 20 points is a huge  4 ,” said Professor Cathy Price, who led the research. He said it could mean the difference between an average and a  5 person. The team has not found a clear cause for these changes. However, they say it is  6 that education plays a role in changing IQ. “Here we have shown that children’s  7 is likely to be still developing, ” says Price. “We have to be careful not to write off  8 performers at an early stage. In fact, their IQ may improve in a few more years. ”

   1 A. And B. However C. Besides D. Though

   2 A. rise B. rose C. raise D. raised

   3 A. of B. with C. by D. from

  4 A. difference B. matter C. thing D. meaning

  5 A. successful B. gifted C. able D. rich

  6 A. natural B. true C. certain D. possible

   7 A. score B. intelligence C. skill D. interest

  8 A. clever B. prettier C. nicer D. poorer

  B

  As darkness fell, hundreds of people in the Swiss village left their houses. They were staring(注视)forward at the mountain top in the distance. It was covered with ice and snow-beautiful and dangerous.

  The huge mountain is called Matterhorn. Mountain climbers had  9 the top through the southern route(路线). But no one had ever dared to try a winter climbing up the northern side. But now one man was daring to try the 10 route. He was Walter Bonatti, a great mountain climber  11 Italy. For two days he had climbed. The village people had watched him anxiously(焦虑). Now they were waiting to see his signal. If he planned to  12 the next day, he would light(点燃)a green signal(信号). A red light would mean that he was turning back. A tiny green light 13 high on the mountain side. Bonatti was not giving up! The people  14. The next day he continued his way upward. He was so lonely and so  15 ! But he would not give up. Again that night he lit the green light. In the morning, Bonatti 16 . He could not see the top;he knew he was 17there. Though the climb was painful, he moved up. Bonatti had spent months  18for the climb. Was the training enough? Did he have the strength and skill to climb to the top? He was finally at the top! News about his.  19 was radioed to the world.

  The trip down the southern route was easy. He was warmly welcomed in the village. He had done the “  20” and would be well remembered as a climber of all time.

   9A. reached B. passed C. watched D. followed

  10A. comfortable B. important C. difficult D. nervous

  11 A. with B. from C. in D. at

  12 A. turn back B. come down C. go on D. get back

13A. placed B. appeared C. pulled D. found

  14 A. cried B. laughed C. jumped D. cheered

  15 A. sleepy B. excited C. tired D. happy

  16 A. woke up B. turned up C. got up D. looked up

   17 A. already B. almost C. hardly D. surely

   18A. training B. practising C. planning D. asking

   19 A. importance B. success C. climb D. courage

   20A. necessary B. dangerous C. perfect D. impossible

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