0  252891  252899  252905  252909  252915  252917  252921  252927  252929  252935  252941  252945  252947  252951  252957  252959  252965  252969  252971  252975  252977  252981  252983  252985  252986  252987  252989  252990  252991  252993  252995  252999  253001  253005  253007  253011  253017  253019  253025  253029  253031  253035  253041  253047  253049  253055  253059  253061  253067  253071  253077  253085  447090 

5.(2008 全国II,英语,20)It was in New Zealand ___ Elizabeth first met Mr. Smith.

A. that  B. how   C. which   D. when

试题详情

4.(09浙江)7.-I’ve read another book this week.

-Well, maybe _____ is not how much you read but what you read that counts.

A.  this       B. that       C. there         D. it

试题详情

3.(09全国2卷)17. It is often      that human beings are naturally equipped to speak.

A. said    B. to say    C. saying   D. being said

试题详情

2.(09浙江卷)4.--I’ve read another book this week.

--Well, maybe    is not how much you read but what you read that counts.

A. .this   B. that   C. there  D. it

试题详情

1.(09江西)27. It was _____ he came bank from Africa that wear _________ he met the girl he would like to marry. 

A. when; then   B. not; until   C. not until; that   D. only; when 

试题详情

11.如图所示,一块质量为2 kg、涂有碳黑的玻璃板,在拉力F的作用下竖直向上做匀变速直线运动.一个频率为5 Hz的振动方向为水平且固定的振针,在玻璃板上画出了如图所示的图线,量得OA=1 cm,OB=4 cm,OC=9 cm.求拉力F的大小. (不计一切摩擦阻力,取g=10 m/s2)

试题详情

10. 如图16是某物体的共振曲线,若是悬挂在天花板上的单摆的共振曲线,则其摆长为L=__________(设g为已知)

试题详情

9. 如图所示,在竖直平面内有一段光滑圆轨道MN,它所对的圆心角小于P点是MN的中点,也是圆弧的最低点。在N  P之间的点QP之间搭一光滑斜面,将一小滑块(可视为质点)分别从Q点和M点由静止开始释放,设圆半径为R,则两次运动到P点所需的时间分别为__________、__________。

试题详情

8. 如图是M、N两个单摆的振动图线。M的振幅是__________厘米,周期是__________秒;N的振幅是__________厘米,周期是__________秒。开始振动后当N第一次通过平衡位置时,M的位移是__________厘米。如果两摆球质量之比是1∶2,在同一地点,摆长之比是__________。

试题详情

7. 一个单摆放在甲地,每分振动45次;放在乙地,每分振动43次。甲、乙两地重力加速度之比是__________。

试题详情


同步练习册答案