问题
单项选择题
雨期填筑路堤时,路堤应分层填筑,每一层的表面应( )。
A.做成0.5%~1%的横坡
B.做成1%~2%的横坡
C.做成2%~4%的横坡
D.做成4%~6%的横坡
答案
参考答案:C
雨期填筑路堤时,路堤应分层填筑,每一层的表面应( )。
A.做成0.5%~1%的横坡
B.做成1%~2%的横坡
C.做成2%~4%的横坡
D.做成4%~6%的横坡
参考答案:C
根据对话内容,从方框中选择最佳选项(其中有两项多余)。 | |
A:Can I help you? B :Yes, please. Today is Mother's Day______1______but I have no idea what to buy. A: _______2_______ B:G.reat ! But______3_______ roses or carnations(康乃馨)? A: I think carnations are better. They show happiness, sweetness and love. They are for mothers . B : How much are they? A:____ 4________ B :OK. I'II take it. ______5________ A.Thank you and best wishes to your mother. | |
| |
1.______________ 2._______________ 3._____________ 4.______________ 5.______________ |