问题
单项选择题
焊接工艺规程的编制原则不包括()
A.应考虑生产量
B.单件和批量生产采用相同规程
C.应使应力尽量小
D.应方便施焊
答案
参考答案:B
焊接工艺规程的编制原则不包括()
A.应考虑生产量
B.单件和批量生产采用相同规程
C.应使应力尽量小
D.应方便施焊
参考答案:B
情景交际。从方框中选择恰当的句子补全对话,其中有两项多余。 | |
B: I'm in Class Three, Grade Seven. A: Oh, I have a good friend in your class. B: __2__ A: Yes, she is. She has a round face. B: Does she have long black hair? A: __3__ She has short black (黑色的) hair. B: Does she have big eyes? A: __4__ B: __5__ A: She comes from Shanghai. B: Is she Zhang Hong? A: Yes, you are right. |