关键过程是对成品质量或管理目标起决定性作用的过程。主要包括:()
A、测量定位放线
B、混凝土施工
C、防水工程
D、大体积混凝土施工
E、预应力张拉
参考答案:A, B, C
某城市9月平均气温为28.5度,如当月最热日和最冷日的平均气温相差不超过10度,则该月平均气温在30度及以上的日子最多有多少天( )
A.24
B.25
C.26
D.27
按要求完成句子。
1.It usually takes me twenty mmutes to walk to school.(先改为一般疑问句,然后对画线部分提问)
①__________ it usually _______ you twenty minutes to walk to school?
②________ _________ does it usually take you to walk to school?
2. He takes the school bus to school every day.(改为否定句)
He ________ _________ the school bus to school every day.
3.He often goes to work by car.(对画线部分提问)
_______ ________ he often________to work?
4. Did your aunt walk to her office last Monday?(改为同义句)
Did your aunt go to her office _________ ________ last Monday?