【简答题】小强同学到银行取款。他想知道当时是几点了,由于人很多,银行的电子钟被挡住了,他向上看时,发现光滑如镜的天花板上倒映出电子钟的影像为 ,则实际的时间应是___________。银行的验钞机产生的___________可以使荧光物质发光。
【单选题】用能量为12.7eV的电子去激发基态氢原子时,受激氢原子向低能级跃迁时最多可能出现几条光谱线?
【简答题】Paul is a worker. One of his feet is bigger than 46 . He can’t 47 the right shoes 48 his feet. His friend, Dick, says to him, “ 49 don’t you go to a shoemaker(鞋匠) ? A shoemaker can 50 you the right sh...
【单选题】One of his attributes is his ability to ______ to different working conditions.
【单选题】不属于影响设备寿命期限的主要因素是( )。
【单选题】According to Dan, one of his strengths is his
A.
knowledge of insurance.
C.
ability to memorise details.
【单选题】他的优点之一就是敢于向权威挑战。
A.
His strong point is that he dares to challenge the authority.
B.
One of his strong points is that he dares challenge the authority.
C.
One of his strong points is that he dares to challenging the authority.
D.
One of his strong points is that he dares to challenge the authority.
【判断题】词汇中最主要的部分是基本词汇,它和语法一起构成语言的基础。它使用频率高,生命力强,是构成新词俄基础。
【简答题】小强同学到银行取款.他想知道当时是几点了,由于人很多,银行的电子钟被挡住了,他向上看时,发现光滑如镜的天花板上倒映出电子钟的影像为 ,则实际的时间应是______.银行的验钞机产生的______可以使荧光物质发光.