题目内容
Drivers are told ________when they are tired.
A.
to drive B.not drive C.not to drive D.driving
C
补全对话，从所给选项中选择五个选项填空，使对话完整
| A. You can start by turning off the lights. B. We get a lot of paper at home, C- You'd better clean your room every day. D. Turn off the shower. E. Can I help you? F. Don’t use plastic bags. G. Don't take a bus if you don't have to. |
A; Hi, Janet. Would you like to help save the environment?
B: Yes. But what can I do?
A: Well. 1
B: Yes, that's easy. Sometimes I turn on the lights without thinking. What’ s next?
A: Second, you can ride a bicycle. 2
B: That will save money, too. What else?
A: Third, try to recycle paper.
B: Mm. Newspapers, magazines, mail... 3. Good idea.
A: The fourth idea is turning off the shower when you're not using it.
B: You mean when I have shampoo in my hair?
A: Yes. Get wet. 4 Put the shampoo in your hair and then turn on the shower and wash it out.
B: Will that help the environment?
A: Yes, we have to save water. And fifth, take a bag when you go shopping. 5
B: OK. My parents do most of the shopping. I'll tell them.
词语填空
用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
| come watch shine fast its |
Light travels at a speed(速度) which is about a million times(1)_______ than that of sound in one second, about 300,000 kilometers while sound travels only 340 meters. You can get some idea of this difference by(2)_____ the start of a running match. If you stand far away from the starter(发令员) , you can see smoke(3)_______ from his gun before the sound reaches your ears.
The fast speed of light produces some strange facts. The nearest star is so far away that light which you can see from it tonight started to travel to you four years ago at a speed of nearly two million kilometers every minute. The light from some of tonight’s started on (4)_________journey towards you even before you were born.
So, if we want to be honest, we can’t say, “The stars are shining brightly tonight.” We have to say, “The stars look nice. They were(5)______ four years ago but their light has just reached our earth.”