1.选择题- (共3题)
3.有一摆长为L的单摆，悬点正下方某处有一小钉，当摆球经过平衡位置向左摆动时，摆线的上部将被小钉挡住，使摆长发生变化，现使摆球做小幅度摆动，摆球从右边最高点M至左边最高点N运动过程的闪光照片如右图所示，(悬点和小钉未被摄入)，P为摆动中的最低点。已知每相邻两次闪光的时间间隔相等，由此可知，小钉与悬点的距离为( )
2.单项选择- (共6题)
4.
It’s quite obvious that the aging population in China will cause _____heavy pressure on _____whole society in the future.
| A．/, the | B．the, / | C．a, the | D．a, a |
5.
This kind of material can be used to _____plastics.
| A．taking the place of | B．take place of | C．taking place of | D．take the place of |
6.
–You seemed to have been impressed by his songs.
--Well, not exactly so. It was his way of singing _____his voice that really impressed me.
--Well, not exactly so. It was his way of singing _____his voice that really impressed me.
| A．rather than | B．other than | C．together with | D．but also |
7.
The school ______Elias studied for only two years was three miles away.
| A．where | B．that | C．on which | D．which |
8.
Do you dress differently because of_____you see in ad or buy things you might not_____buy?
| A．which, otherwise | B．that, therefore | C．who, moreover | D．what, otherwise |
试卷分析
-
【1】题量占比
选择题:(3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