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【简答题】
Dear Mr. Peterson, With our visit to France coming to an end, we are leaving for China soon. On the moment of leaving, I feel very pleased to write to you, on behalf of my fellows and in my own name as well, to express to you our deep thankfulness for the hospitality (款待)that you have given us during the short stay in France. I am sure that this visit will be helpful to the further development and strengthening of our cooperation (合作)in the area of medicine. My fellows and I are all looking forward to the opportunity of meeting you in China in the near future, so that both sides could examine once again how we might work more closely together in order to make the relation between us a step forward. Meanwhile. please accept our best wishes for your good health and success in your career. Yours sincerely, ( Signature) Do you know what the letter is about? It is a letter of____________________________
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举一反三
【简答题】Traditionally the law did not allow women to have the control over____.
【单选题】所谓“文件”一般是指( )。
A.
存储在外部介质（例如磁盘等）上的一组相关数据的有序集合。
B.
写在纸上的内容。
C.
存储在书本上的一组相关数据的有序集合。
D.
存储在外部介质（例如磁盘等）上的乱七八糟数据。
【简答题】如图14-1所示，一个均匀带正电的薄圆盘，其半径为R。面电荷密度为σ.求圆盘轴线上离圆心x处的电场强度．如果保持σ不变，当R→∞时结果如何?
【判断题】God did not allow Moses to enter the Promised Land because Moses spoke to a rock to pray for water from it instead of hitting the rock with a stick.
A.
正确
B.
错误
【单选题】一半径为 r 的薄圆盘 , 其电荷面密度为 σ, 设圆盘以角速率 ω 绕通过盘心垂直盘面的轴 AA’ 转动 , 求圆盘中心的磁感应强度。 注:本题是计算题,请在计算后选出答案,选出答案后注意答案解析。
A.
, 方向垂直盘面向上，沿
B.
, 方向垂直盘面向上，沿
C.
, 方向垂直盘面向上，沿
D.
, 方向垂直盘面向上，沿
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