问题
单项选择题
开净化风吹扫管线时的第一步操作方法是（）
A、先开净化风
B、先开被吹扫管线全部流程
C、净化风可以开小一些
D、阀门可以开大一些
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
开净化风吹扫管线时的第一步操作方法是（）
A、先开净化风
B、先开被吹扫管线全部流程
C、净化风可以开小一些
D、阀门可以开大一些
参考答案：B
| 选择适当的句子补全对话，其中有两项是多余的。 | |
| A: Hi, Wang Li! What time do you usually get up on weekdays? B: I always get up at about six o'clock. A: 1 How do you usually go to school? B: 2 But sometimes I go to school by bus. A: By the way, where does your mother work? B: She works in a factory. She makes shoes. A: 3 B: She usually goes to work by subway. A: Where does she have lunch? B: 4 It takes her too much time to come back home for lunch. A: Oh, 5 It's time for class. B: Let's go.
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