Which one is not appropriate for a formal greeting（）
A. Nice to meet you
B. Hello, I’m John
C. How’s it going
D. How are you
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Find the expressions that can introduce “Yourself”（）
A. I’m called…
B. Do you like travelling
C. My parents are from…
D. I studied
Find the responses used to greet people in a informal conversation（）
A. I’m fine, thanks
B. It’s great to see you too!
C. I’m fine, and you
D. How do you do, Jane
When you want to introduce yourself, you can say the following sentence except（）
A. Hi, I’m Jane
B. Hi, how are things
C. Good moring. My name is Sally
D. It’s a pleasure to meet you. I’m Paul
在727℃时，铁素体的最大的溶碳量为__（）
A. 0.77%
B．0.0008%
C. 0.0218%
D. 2.11%
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