()是花梗顶端略膨大的部分,着生花萼、花冠等部分,有多种形状。
A、花梗
B、花托
C、花萼
D、花冠
参考答案:B
Whenever we need him, he always does as much as he can ____ us whole-heartedly. [ ]
A. help
B. to help
C. helping
D. helps
计量估价合同是以( )和单价表为计算包价依据的合同。
A.总工程量
B.实测工程量
C.工程量清单
D.最终工程量