选择题：The body cannot store vitamin C so it is （）to have

题目内容：

The body cannot store vitamin C so it is （）to have a fresh supply every day. A A.essential
B B.visible
C C.ultimate
D D.profound

参考答案：

The driver was atloss when__word came

The driver was at______loss when________word came that he was forbidden to drive

分类：河南大学-会计学-英语题型：选择题

当曲柄的极位夹角为（）时，曲柄摇杆机构才有急回运动。(本题2.0分)A. ＜ 0 B. θ =0 C. θD. θ﹥0

分类：河南大学-会计学-英语题型：选择题

2房屋的阳台、雨篷等悬挑结构的支座都可视为（）支座。A A.活动铰B B.同定端C C.固定铰D D.以上都不对

分类：河南大学-会计学-英语题型：选择题

Are you thinking of writing someone a letter? Call instead. It isn.t that expens

分类：河南大学-会计学-英语题型：选择题

砖混结构中，钢筋混凝土梁的高度通常为跨度 A.1/4 B.1/6 C.1/10 D.1/15

分类：河南大学-会计学-英语题型：选择题