对柱类构件,纵向受拉钢筋绑扎搭接接头面积百分率不宜大于50%。( )
参考答案:对
选择恰当的选项补全对话,其中两项多余。
A: Excuse me, Jim. What do you want to do this Saturday?
B: Nothing much. 1
A: What about going to the zoo in our city?
B: 2 .
A: Because I hear that eight pandas have just arrived there.
B: Really? 3
A: They're from Sichuan, and they will welcome the friends all over the world
during the 2010 Expo.
B: That's great ! 4
A: I also hear the eight pandas like to eat apples. Why not take some apples?
B: 5 Can't you see "No feeding" in the zoo?
A: Sorry, I forgot. Well, remember to take a camera.
B: OK!
A. We'd better not.
B Why do you want to go to the zoo?
C. What's up?
D. Where are they from?
E. Have a good time !
F. What about you? '
G. I'd love to
输配电线路中对导线哪些要求:()。
A.较低的导电率
B.抗腐蚀能力强
C.足够的机械强度
D.质量轻,少用有色金属