Word中合并单元格能会导致单元格内的数据丢失。
参考答案：错
Did you ___________ a nice trip?[ ]
A. has
B. have
C. having
D. had
肱二头肌做等张离心收缩的动作是（）
A.拎重物被迫伸肘
B.持哑铃屈肘
C.屈肘提水前行
D.拉弓射箭准备式
E.引体向上上升期
