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问题 填空题

如上图所示，用刻度尺测物体的长度，则尺的分度值是__________，所测物体的长度是__________。

答案

1mm  3.80cm

题目分析：观察图片可知，刻度尺上每十小格为1cm，一小格为1mm，刻度尺的分度值为1mm，图中刻度尺6.00cm刻度线与物体左端紧贴，9.80cm刻度线与物体右端紧贴，所测物体长度为9.80cm-6.00cm=3.80cm.

问答题

如图所示，AB之间有三条光滑轨道：知道1、知道2、直角管道3（BC为水平管道，拐弯C处圆滑连接），小明想研究小球沿知道1和曲道2下滑的时间关系，老师提示他先研究小球沿直道1和直角管道3下滑的时间关系．

将小球先后从轨道顶端A处由静止释放，沿直道1滑到轨道末端B用时t1，沿直角管道3到B处用时t2．已知小球直径略小于直角管道3的直径，=37，求t1：t2（sin37=0.6，cos37=0.8）．
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单项选择题

The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases such as the trial of Rosemary West.

In a significant (51) of legal controls over the press. Lord Irvine, the Lord Chancellor, will introduce a (52) bill that will propose making payments to witnesses (53) and will strictly control the amount of (54) that can be given to a case before a trial begins.

In a letter to Gerald Kaufman, chairman of the House of Commons media select committee. Lord Irvine said he (55) with a committee report this year which said that self regulation did not (56) sufficient control.

(57) of the letter came two days after Lord Irvine caused a (58) of media protest when he said the (59) of privacy controls contained in European legislation would be left to judges (60) to Parliament.

59().

A.translation 

B.interpretation 

C.exhibition 

D.demonstration
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