1.选择题- (共4题)
1.(2011年山东济南联考) 如图2－3－10所示，两球A、B用劲度系数为k1的轻弹簧相连，球B用长为L的细绳悬于O点，球A固定在O点正下方，且点O、A之间的距离恰为L，系统平衡时绳子所受的拉力为F1.现把A、B间的弹簧换成劲度系数较大且为k2的轻弹簧，仍使系统平衡，此时绳子所受的拉力为F2，则F1与F2的大小之间的关系为( )
图2－3－10
图2－3－10
2.(2011年山东济南联考) 如图2－3－10所示，两球A、B用劲度系数为k1的轻弹簧相连，球B用长为L的细绳悬于O点，球A固定在O点正下方，且点O、A之间的距离恰为L，系统平衡时绳子所受的拉力为F1.现把A、B间的弹簧换成劲度系数较大且为k2的轻弹簧，仍使系统平衡，此时绳子所受的拉力为F2，则F1与F2的大小之间的关系为( )
图2－3－10
图2－3－10
3.自1953年以来，我国农村与城市每一名全国人大代表所代表的人口数的比例经历了从8:1到4:1再到1:1的变化。这一比例的变化体现了（ ）
①公民享有的政治权利更加广泛 ②社会主义民主政治进一步发展
③选举制度要与社会发展相适应 ④人大代表的选举更具有平等性
①公民享有的政治权利更加广泛 ②社会主义民主政治进一步发展
③选举制度要与社会发展相适应 ④人大代表的选举更具有平等性
2.单项选择- (共7题)
5.
What ______ me most was not what he told me but why he looked at me in _______ all the time.
| A．surprised; a surprise | B．surprised; surprise | C．surprising; surprise | D．surprises; a surprise |
6.
Advertisements _______ these facts have been printed in newspapers and magazines but have not
helped much.
helped much.
| A．based on | B．base on | C．to base on | D．basing on |
7.
Pong______ the No 1 actor in Thailand is also popular with Chinese ladies as a lady-killer.
| A．is thought as | B．considered to be | C．is regarded as | D．intended to be |
8.
We didn’t know you were in trouble at that time; _______ we would have given you a hand.
| A．otherwise | B．therefore | C．yet | D．however |
9.
There is some doubt ____ the sick schoolboy can join in the English evening party on Sunday.
| A．/ | B．whether | C．that | D．which |
10.
Playing balls together is a kind of activity_____ every player needs to be well-cooperated together.
| A．which | B．where | C．that | D．what |
试卷分析
-
【1】题量占比
选择题:(4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