什么是滑移线的方向角？其正、负号如何确定？
题型：问答题 简答题
问题：
什么是滑移线的方向角？其正、负号如何确定？
题型：问答题 简答题
What do you eat every evening? Do you eat meat? Do you eat vegetables? Do you eat fruit or dessert(甜点) after dinner? We asked the 55 students of Class 1, Grade 7 in Sunshine School. Here is the result(结果).
小题1:How many girls are there in Class 1, Grade 7?
A．Twenty.
B．Thirty-five.
C．Thirty.
D．Twenty-five.小题2: All the students in the class eat for dinner.
A．meat
B．dessert
C．fruit
D．vegetables小题3:In the class, 10 students don’t eat for dinner.
A．meat
B．dessert
C．fruit
D．vegetables