1.选择题- (共8题)
2.劲度系数为k的轻弹簧,上端固定,下端挂一个质量为m的小球,小球静止时距地面高h.现用力向下拉球使球与地面接触,然后从静止释放小球,假设弹簧始终在弹性限度内,下列说法中不正确的是( )

3.劲度系数为k的轻弹簧,上端固定,下端挂一个质量为m的小球,小球静止时距地面高h.现用力向下拉球使球与地面接触,然后从静止释放小球,假设弹簧始终在弹性限度内,下列说法中不正确的是( )

4.如图所示,两根间距为d的平行光滑金属导轨间接有电源E,导轨平面与水平面间的夹角θ=30°。金属杆ab垂直导轨放置,导轨与金属杆接触良好。整个装置处于磁感应强度为B的匀强磁场中。当磁场方向垂直导轨平面向上时,金属杆能刚好处于静止状态。要使金属杆能沿导轨向上运动,可以采取的措施是( )

2.单项选择- (共7题)
9.
—Do you know what EU stands for, Tommy?
—Sure.It stands for the European Union,______ European political and economic organization that encourages trade and friendship between ______ countries that are members.
—Sure.It stands for the European Union,______ European political and economic organization that encourages trade and friendship between ______ countries that are members.
A.an; the | B.a; the | C.the; / | D.an; / |
10.
The traffic problems we are looking forward to seeing should have attracted the government’s attention.
A.solving | B.solve | C.solved | D.to solve |
11.
______ property, we’re among the richest people in this city.
A.In search of | B.In spite of | C.In place of | D.In terms of |
12.
My friend warned me ______ going to the East Coast because it was crowded with tourists.
A.by | B.against | C.on | D.for |
13.
—Mum, I don’t think I am qualified enough to do this.
—Honey, be confident! You should know it is _____ a man thinks of himself … really determines his fate.
—Honey, be confident! You should know it is _____ a man thinks of himself … really determines his fate.
A.that; that | B.how; that | C.what; that | D.that; how |
14.
______ students should be given more free time is suggested by many experts and welcomed by kids in school.
A.What | B.Why | C.Whether | D.That |
试卷分析
-
【1】题量占比
选择题:(8道)
单项选择:(7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:7
7星难题:0
8星难题:0
9星难题:0