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问题
单项选择题
DF
4C
型内燃机车的自重是（）t。
A.124
B.127
C.128
D.131
答案
参考答案：B
补全对话，情景问答
根据对话内容，选择适当的句子补全。
A. What about you?
B. Hello, Dick!
C. It wasn't very good.
D. I went to the beach.
E. How was your weekend?
A: Hello, Bill!
B: __
1
___
A: What did you do over the weekend?
B: __
2
___
A: ___
3
__
B: It was great! ___
4
__
A: I studied for the science test.___
5
__
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选择题
如图所示，家庭用电中的有关做法，符合安全用电原则的是（ ）
A．
B．
C．
D．
查看答案
