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问题
多项选择题
液氨装卸场地符合()的规定要求。
A、防火
B、防毒
C、防爆
答案
参考答案:A, B, C
补全对话,情景问答
从Ⅱ栏中找出I栏的答语,并将其序号填入相应的括号内。
I
( ) 1. May I borrow your pencil?
( ) 2. What is it?
( ) 3. Where is it?
( ) 4. How many books are there?
( ) 5. What day is it?
Ⅱ
A. It is on the desk.
B. It is a radio.
C. Sure.
D. It is Tuesday.
E. Four.
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填空题
若一个平行四边形的四个内角都变成直角,就变成了( )或( )。
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