问题
单项选择题
检查防渗体时，首先应观察防渗体所在部位（）或保护层是否有明显变形。
A.内部
B.地下
C.堤防表面
D.堤外
答案
参考答案：C
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检查防渗体时，首先应观察防渗体所在部位（）或保护层是否有明显变形。
A.内部
B.地下
C.堤防表面
D.堤外
参考答案：C
| 完形填空。 | |||
| James Naismith came from 1 . He 2 basketball in 1891. At that time,he was a P. E teacher . He invented an 3 game for his students 4 they could play 5 in bad weather. Do you know 6 to score in the game? Well,just put the ball into 7 side's basket. You van throw the ball into the basket from 8 part of the court and you can throw it with one hand 9 both hands. But you must 10 the rules. Now,more and more people love this game. | |||
| ( )1.A. Canadian ( )2.A. invents ( )3.A. indoors ( )4.A. because ( )5.A. even ( )6.A. what ( )7.A. other ( )8.A. a ( )9.A. and ( )10.A. think | B. Canada B. plays B. outdoor B. when B. ever B. how B. the other B. some B. or B. learn | C. American C. invented C. basketball C. if C. only C. where C. another C. many C. but C. know | D. America D. played D. funny D. so that D. however D. why D. other's D. any D. with D. follow |