2、What about when I want to introduce myself?这句的回答是:How do you do? I’m Sung Ling from Shanghai.
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3、What about younger people? 这句的回答是:Hello/ How are you?/ How are things?
A. 对
B. 错
4、What about people I already know? 这句的回答是:Hello/ How are you?/ How are things?
A. 对
B. 错
5、What do I answer if somebody greets me with “How are you?” 这句的回答是:Fine, thanks. And you?
A. 对
B. 错
MATLAB软件中,limit(f,x,a)是一个求()的基本命令?
A. 导数
B. 微分
C. 积分
D. 极限