工字钢I16数字表示哪一项()?
A.工字钢截面高度160mm
B.工字钢截面高度16mm
C.工字钢截面宽度16mm
D.工字钢截面宽度160mm
参考答案:A
根据句意,补全已给出首字母的单词。
1.---Hello,class! Is everyone p_____ today?
---No, Lin Tao is ill so he is a_____.
2.PE lesson stands for p_____ education.
3.F_______(幸运地),we don't have exams in every subject.
4. We have a large sports ground where we play football ,tennis and do a______(田径运动).
5.-Which subject do you like most?
-B_____ and G______.They are really interesting and useful.
区域条件评价一般来说( )。
A.只讲有利条件,不讲限制因素B.有利条件和限制条件不可以转化C.有利条件和限制条件是可以转化的D.不讲有利条件,只讲限制因素