预产期的计算是从:
A.末次月经结束那天算起B.受孕前月排卵期算起C.末次性生活算起D.末次月经第十四天算起E.未次月经来潮第-天算起
参考答案:E
为下列句子选择正确的图片,并将序号填在题前括号里。
( ) 1. It's ten o'clock. It's time for English.
( ) 2. It's seven o'clock. It's time for breakfast.
( ) 3. It's six o'clock. It's time for dinner.
A. B. C.
下列有关麦花臣式之叙述何者为非?()
A.车架须补强
B.把持方向盘时较省力
C.前轮定位调整较简单
D.其构造简单位置小