Do you like playing ________ soccer?A. t

阅读理解。

     According to a new survey . Students' safety has become a big problem .Nearly 50% of students say

they are worried about robbery (抢劫) on the way to and from school. Now in main big cities. in China

some schools have taught all unusual lesson: self-protection. Students like this lesson because there are no

exams or boring classes. And they can learn how to save lives and know how to stop danger before it really

happens.

     Chen Haoyu, a teacher at Beijing No 25 Middle School .give young students advice on how to deal with

danger.

     If you are robbed

     Keep calm. lf you can not cry for help or run away. Give the robber your money. Try to remember what

the robber looks like and tell the police later. If you are in a traffic accident.

     It a car hits you. You should remember the car number. If it is a bicycle. Try to call your parents before

you let the rider go. This is because you don't know how seriously you are hurt.

     If it is raining hard and there is lighting. (闪电)

     Don't stay in high places and stay away from trees.When there is a fire. Get away as fast as yon can. Put

wet things on your body and try to find an exit. Do not lake the lift. 

     If someone is drowning. (溺水)

     If you can't swim. don't get into the water. Cry out for help. Remember that danger is never as far away

as you think. Take care of yourself at alI times!

1. Why do students like the self-protection lesson?

①Because there are no tests.

②Because the lessons are boring.

③ Because they can learn how to save lives.

④Because they know how to slop danger before it happens.

A. ①②

B. ②③

C. ①②④

D. ①③④

2. What will you do if a bicycle hurts you?

A. I will remember the bicycle number.

B. I won't let the rider go until I rail my parents.

C. I will let the rider go before I call my parents.

D. I will let the rider go because I know how seriously I am hurt.

3. If your house is on fire, you must ________.

A. put dry things on your body

B. run quickly and take the lift

C. run away and find an exit as quickly as you Can

D. take everything you have and then run away

4. There ________ ways of self-protection mentioned in the passage.

A. 3

B. 4

C. 5

D. 6

5. The best title for this passage is ________.

A. How to Keep Calm

B. Self-protection

C. An usual lesson

D. Danger

项目规模合理化的制约因素有( )

A．市场因素

B．资金因素

C．技术因素

D．人才因素

E．环境因素

射频技术RF局限于视线，识别距离比光学系统近。

栉鳞

建设单位领取工程施工许可证后，因故不能按期开工，应向发证机关申请延期，整个工程延期最长不得超过( )。

A．3个月

B．1个月

C．6个月

D．1年