目前SMT最常使用的无铅锡膏Sn和Ag和Cu比例为()。
参考答案:96.5Sn/3.0Ag/0.5Cu
按正确的顺序重新排列下面的对话。
A: What about some orange(桔子汁)?
B: Dad, I'm hungry. I want something to eat.
C: Thank you. Could I have something to drink?
D: OK. Here you are.
E: Yes, there is some. Take it.
F: No. I don't like eggs at all.
G: What about some rice?
H: OK. Can I have two bottles of orange? I can give one to Bob. He likes it very much.
I: What do you like? Do you like some eggs?
J: I like it a little. But do you have any chicken?
I like chicken very much.
正确的顺序是__________________________
A.做人不能太小气 B.父母要多关心孩子 C.做人要讲求诚信,说到做到 D.“杀猪”这个方法能够教育孩子