问题
判断题
燃油中含有的水分或漏入汽缸的冷却液，在汽缸内受热变为蒸气后由排气管喷出，常被视为白烟。（）
答案
参考答案：对
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燃油中含有的水分或漏入汽缸的冷却液，在汽缸内受热变为蒸气后由排气管喷出，常被视为白烟。（）
参考答案：对
| 补全对话 （从七句中选出五句，有两句为多余选项）。 | |
| A: Have you read today's newspaper? B: No, I haven't. 1.______ A: China has sent up another new satellite into space.? B: 1.______ A: It was sent up the day before yesterday.? B: What's in it?1.______ A: It's made of instruments (仪器) and when it goes round the earth it sends back messages about all kinds of things.1.______ B: 5.______ A: I don't know really, I think it's about a thousand mile out in space?
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