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【判断题】
完全竞争的市场一定存在着大量的生产者和消费者。A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【单选题】Speak a: Can I help you, sir? Speak b:_______________
A.
Yes, I can
B.
I’d like a blue tie for myself.
C.
You cannot help me
【单选题】– Can I help you, sir? --_________________.
A.
Yes, you can.
B.
I’d like a pair of shoes.
C.
Go to help him.
【单选题】Speaker A: Can I help you, sir? Speaker B:_______________
A.
Yes, I can
B.
I’d like a blue tie for myself.
C.
You cannot help me
【单选题】— Can I help you, sir? —________________________ .
A.
Yes. I’d like some apples.
B.
You can help me?
C.
Yes. Please.
D.
A and C
【简答题】时刻准备着(短语 be --- )
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