1.选择题- (共6题)
6.NBA篮球赛非常精彩,吸引了众多观众.经常有这样的场面:在临终场0.1s的时候,运动员把球投出且准确命中,获得比赛的胜利.如果运动员投篮过程中对篮球做功为W,出手高度为h1,篮筐距地面高度为h2,篮球的质量为
,空气阻力不计,则篮球进筐时的动能为 ( )

2.单项选择- (共6题)
7.
---Which one will I choose?
---Well, you can take _______ of them; I’ll keep none.
---Well, you can take _______ of them; I’ll keep none.
A.both | B.all | C.any | D.either |
8.
The professor explained this theory so clearly that this phenomenon was easy enough ________.
A.for us to work out | B.working out |
C.for working out | D.to working out |
10.
When we climbed up to the top of the mountain, we were all ___________.
A.out of the breath | B.short of the breath |
C.out of breath | D.short of breaths |
11.
Wang Gang is considering buying a computer, is considered to be a great help in our work and study.
A.as | B.which | C.that | D.what |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(6道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:6
9星难题:0