1.选择题- (共1题)
1.如图所示,在一粗糙水平面上有两个质量分别为m1和m2的木块A和B,中间用一原长为
、劲度系数为k的轻弹簧连接起来,木块与地面间的滑动摩擦因数均为μ。现用一水平力向右拉木块B,当两木块一起匀速运动时两木块之间的距离是:( )


2.单项选择- (共5题)
2.
I’m afraid you have to get your room ____________. It’s too dirty and messy!
A.cleaning | B.to clean | C.cleaned | D.to be cleaned |
3.
You can never imagine what great difficulty I had ________ his parents.
A.finding | B.of finding | C.to find | D.about finding |
4.
—Have you finished your experiment report, Jane?
—Oh, my God. I’ve _____ forgotten all about that.
—Oh, my God. I’ve _____ forgotten all about that.
A.strongly | B.really | C.entirely | D.freely |
5.
I really don’t like the way _____________ she speaks to her parents.
A.that | B.when | C.which | D.what |
试卷分析
-
【1】题量占比
选择题:(1道)
单项选择:(5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:5
9星难题:0