题目列表(包括答案和解析)
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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阅读理解：
A university professor recently made several tests with different animals to find out which was the cleverest. He found out that monkey was cleverer than other animals.
In one test the professor put a monkey in a room where there were a few more boxes. Some boxes were inside other boxes. One small box had some food inside it. The professor wanted to watch the monkey in order to find out how long it would take the monkey to find the food. The professor left the room. He waited a few minutes outside the door. Then he got down on his knees and put his eye to the keyhole（钥匙眼）. What did he see? To his surprise, he found himself looking into the eye of the monkey. The monkey was on the other side of the door and looked at the professor through the keyhole.
根据短文内容，选择最恰当的答案。
1. The professor wondered ______.
[ ]
A. whether animals were clever
B. how clever a monkey was
C. which animal was the cleverest
D. if the monkey was cleverer than other animals
2. The professor wanted to watch the monkey ______.
[ ]
A. look for the small boxes B. look for the food
C. move the boxes D. eat the food
3. After the professor left the room, the monkey began to ______.
[ ]
A. guard the door B. look at the keyhole
C. watch the door D. put one of its eyes to the keyhole
4. What was the thing that surprised the professor?
The monkey ______
[ ]
A. found the keyhole
B. was on the other side
C. go down on its knees
D. was watching him through the keyhole
5. A university professor recently made tests with different
animals. The word "recently" means ______.
[ ]
A. long before B. before long
C. not long ago D. just now
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