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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?
【小题1】 Which picture means "it's not safe land"?
【小题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. |
| 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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选择符合短文的正确答案
1. The husband and the wife went shopping .
A. by bus B. in their car C. by bike D. on foot
2. They spent in the shop doing their shopping.
A. half an hour B. four hours C. one hour D. eight hours
3. The opened the car door in the end.
A. husband B. wife C. policeman D. owner of the car
4. The owner of the car was very angry to see .
A. some one had opened his car door B. the policeman standing by the car
C. his car was not there D. that there was a trouble
5. They didn’t know it was the wrong car until they looked at the of the car.
A. color B. owner C. door D. number
查看习题详情和答案>>
Hello. I’m a boy. I’m Tony Smith. I’m thirteen years old. I’m in Class 2, not Class 3. My telephone number is seven five six, six two three one. I like summer best because(因为) I can go swimming in summer. This is my friend, Betty, Betty White. She is American. We are in the same(相同的) class. Her telephone number is two two four, five six one seven. She likes dogs very much. She has 3 white dogs and 2 black dogs. Our English teacher is Miss Li. Her telephone number is six eight one, four five two seven. Her favourite colour is green and she likes drawing.
【小题1】What’s the boy’s name?
| A．Tony White | B．Tony Smith | C．Betty White | D．Betty Smith |
| A．one | B．two | C．three | D．five |
| A．Class 1 | B．Class 2 | C．Class 3 | D．Class 4 |
| A．red | B．yellow | C．white | D．green |
| A．756-6213 | B．671-4527 | C．681-4527 | D．224-5617 |