If Sam had enough money with him, he___________on the trip to Malaysia.
A. would have gone
B. had gone
C. went
D. would go
查看答案
Hand hold or straps on the underside of an inflatable are provided().
A. to right the raft if it capsizes
B. to carry the raft around on deck
C. for crewmen to hang on to
D. to hang the raft for drying
瑞勾德和库克于1975年对96名1-6岁幼儿的房间进行了调查。结果发现:在书籍、家具、音乐设备及动物玩具的数量上男女幼儿都差不多。但男孩房间中,有相当多的与宇宙、能量、时间等有关的东西(如磁铁、宇宙飞船),而女孩屋里放的更多的是()
A. 钱
B. 娃娃
C. 糖果
D. 服饰品
为了防止露天工作的起重机械被风吹动滑行,需装设防风抗滑装置等。
A. 正确
B. 错误
直流电路中,假定将电源正极规定为0电位,电源电压为6V,则负极电位为()。
A. 6V
B. 0V
C. -6V
D. 3V