问题 填空题

今年是我国第一颗原子弹爆炸成功60周年,目前核能已经被广泛和平利用,核电站只需要消耗很少的核燃烧就可以产生大量的电能,核反应堆中的核燃料是   (选填:“可”或“不可”)再生能源,在核潜艇中是利用核   (选填:“聚”或“裂”)变产生的能量.

答案

不可;裂

题目分析:能源在使用过程中,如不可能在短时间内得到补充,该类能源属不可再生能源如:化石能源,核能等,所以核燃料是不可再生能源;获取核能的方式不核裂变和核聚变,而核潜艇是利用可控的核裂变来进行工作的。

阅读理解

Being safe in your everyday life needs knowledge. you remember the following information,your life will be much safer.

● Always notice the environment around you. You shouldn’t walk alone outside late at night. Make sure where the public phones are. If anything dangerous happens,you can find them easily.

●Your bag should be carried towards the front of your body instead of putting it on your back。When a bus is full of people,it is easy enough for a thief to take away the things in the bag on your back.

●If you are followed by someone you don’t know, cross the street and go to the other way, let the person understand that you know he or she is after you. Next,don’t go home at once. You are safer in the street than you are alone in your home or in a lift.

●If you have to take a bus to a place far away, try to get to the stop a few minutes earlier before the bus leaves. On the bus,don’t sit alone. Sit behind the driver or other people. Don’t sleep.

小题1:Which of the following is NOT safe when you are out?

A.Go home alone late at night.

B.Make sure where the public phones are.

C.Your bag should be carried towards the front of your body.

D.Always notice the environment around you.小题2:When you are followed by someone on your way home,you should ____ to make yourself safe.

A.run home

B.find a lift and go in

C.turn back and walk towards him or her at once

D.cross the street and go to the other way.小题3:When you take a bus alone,it’s safe for you______

A.to sit behind the driver or with other people,but not to sleep

B.to talk with the driver

C.to call your friends

D.to get off the bus at once

多项选择题