70. 众所周知,所有有生命的物体都有DNA。
______ ______ _______,there is DNA in all living things.
(B)情景交际。(10分)
从方框中选择适当的句子补全对话,其中有两项是多余的。
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A. I disagree with you.
B. We have to save water. C. My parents do most of the shopping. D. Don’t take a bus or a taxi if you don’t have to. E. What’s next? F. I will never do that. G. What can I do? |
H-Henry J-Jim
H: Hi, Jim. Would you like to help protect the environment?
J: Sure. 71
H: Well, first, you can start by turning off the lights.
J: Yes. That’s easy. Sometimes I turn on the lights without thinking. 72
H: Second, you can ride a bicycle. 73
J: That’ll save money, too. What else?
H: Third, try to recycle paper.
J: Mmm, we have a lot of waste paper at home. Good idea.
H: The fourth idea is turning off the shower when you’re not using it.
J: You mean when I have shampoo(洗发剂)in my hair?
H: Yes. 74 And the fifth, take a bag when you go shopping. Don’t use plastic bags.
J: OK. 75 I’ll tell them.