钢中碳的质量分数的增加,则钢的硬度和强度增加,塑形和韧性也随着增加。
A. 对
B. 错
1、What do I say when you introduce me to somebody?这句的回答是:Hi, I’m Ling.
A. 对
B. 错
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.
A. 对
B. 错
3、What about younger people? 这句的回答是:Hello/ How are you?/ How are things?
A. 对
B. 错