1.选择题- (共6题)
3.
细绳拴一个质量为m的小球,小球用固定在墙上的水平弹簧支撑,小球与弹簧不粘连,平衡时细绳与竖直方向的夹角为53°,如图所示,以下说法正确的是(已知cos 53°=0.6,sin 53°=0.8)( )
4.
细绳拴一个质量为m的小球,小球用固定在墙上的水平弹簧支撑,小球与弹簧不粘连,平衡时细绳与竖直方向的夹角为53°,如图所示,以下说法正确的是(已知cos 53°=0.6,sin 53°=0.8)( )
5.
细绳拴一个质量为m的小球,小球用固定在墙上的水平弹簧支撑,小球与弹簧不粘连,平衡时细绳与竖直方向的夹角为53°,如图所示,以下说法正确的是(已知cos 53°=0.6,sin 53°=0.8)( )
2.单项选择- (共8题)
7.
The biggest cities in Canada only have about six million people while _______ in China are much larger.
A.these | B.those | C.ones | D.others |
8.
21st Century, ____weekly newspaper, provides us with____variety of fresh articles about campus studies and life.
A.a, the | B.the, a | C.the, / | D.a, a |
10.
If ____unsolved, the problem of food safety may lead to more serious results.
A.left | B.making | C.remained | D.taking |
11.
When you reach our company at 5:00 pm, I _______ there to discuss a problem with you.
A.wait | B.have waited | C.was waiting | D.will be waiting |
12.
I am sure that if it came to that point, he would do___ is expected of him.
A.what | B.when | C.which | D.as |
13.
Not until____ did Humphrey begin working.
A.did it stop raining | B.had it stopped raining | C.it stopped raining | D.it stops raining |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(8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:8
7星难题:0
8星难题:0
9星难题:0