问题
单项选择题
ZJ17上吹风室内气压的设计工作压力为（）Pa左右。
A.1000
B.1200
C.1400
D.1600
答案
参考答案：B
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ZJ17上吹风室内气压的设计工作压力为（）Pa左右。
A.1000
B.1200
C.1400
D.1600
参考答案：B
| 改正下列句子。 | |
| 1. This house built 100 years ago. 2. Football plays in most countries of the world. 3. Why did the letter send to the wrong address? 4. A garage is a place where cars repair. 5. Where are you born? 6. How many languages are speaking in Switzerland? 7. Somebody broke into our house but nothing stolen. 8. When was invented the bicycle? | __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ |