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问题 选择题

能源在使用过程中不排放二氧化碳的是（　　）

A．①②③④

B．②③④

C．①③④

D．③④

答案

答案：D

填空题
（-1）-（-5
1
2
）×
4
11
-23÷[（-3）+5]=______．
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补全对话，情景问答
选择正确的选项，补全对话。
A. Anything else?
B. Can I help you?
C. Thank you.
D. I'd like some milk and noodles, please.
E. Here you are.
A: Good morning.
B: Yes. _________________________________
A: _____________________________________
B: __________________ Your milk and noodles.
   _____________________________________
A: I'd like some juice, please.
B: Your juice.
A: _____________________________________
B: You are welcome.
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