问题
单项选择题
采煤机的控制按钮必须设在（）一侧，并加保护罩。
A、靠煤壁
B、靠采空区
C、靠机组上方
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
采煤机的控制按钮必须设在（）一侧，并加保护罩。
A、靠煤壁
B、靠采空区
C、靠机组上方
参考答案：B
| 短文填空。 | |
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| 根据上面的家谱，从下面方框中选择单词，并用其适当形式填空。 | |
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| Look at my 1 tree. I am Mike. I’m from the U.S.A. I have a big family. My wife (妻子) 2 is a nurse. We have 3 kids. 4 is our son and Joy is our 5 . They study at No.1 High School. My father’s name is Bill and my 6 name is Helen. My 7 are very old. John is my 8 . He is a doctor. Kate is my wife’s 9 . She is a teacher. Emma is my wife’s mother. My wife’s 10 is Peter. They’re old, too. They don’t go to work and they are often at home. |