净网密度

阅读下列材料：

日本在第二次世界大战后的40余年的时间里，创造了经济发展的“东洋奇迹”，一跃成为世界经济大国，近年来，日本经济已发展到全世界国民生产总值的10%，外汇储备长期稳居世界前列。

请回答：

（1）“东洋奇迹”指的是什么？

___________________________________

（2）二战后日本经济发展的突出特点是什么？

___________________________________

（3）导致二战后日本经济迅速崛起的原因有哪些？

________________________________________________________________________________

物理学中有些问题的结论不一定必须通过计算才能验证，有时只需要通过一定的分析就可以判断结论是否正确．如图6所示为两个彼此平行且共轴的半径分别为R₁和R₂的圆环，两圆环上的电荷量均为q（q>0），而且电荷均匀分布．两圆环的圆心O₁和O₂相距为2a，联线的中点为O，轴线上的A点在O点右侧与O点相距为r（r<a）．试分析判断下列关于A点处电场强度大小E的表达式中（式中k为静电力常量）正确的是 

A．

B．

C．

D．

医德规范是指导医务人员进行医疗活动的

A．思想准则

B．行为准则

C．技术标准

D．技术规程

E．思想和行为准则

_______ you free today?  Would you like_______ shopping?

A．Do; going

B．Do; to go

C．Are; to go

D．Are; going

语法填空。

     BEIJING-Worldrenowned Oxford and Cambridge have come to China __1_ (attract) toprank

postgraduate students in cooperation with the China Scholarship Council.

     Oxford made its first __2__ (appear) at the China Scholarship Council's annual International

Graduate Scholarship Fair, __3__ opened on Saturday in Beijing. The school wants to encourage

excellent Chinese students to consider __4__ Oxford can offer for    5    academic and professional

careers.

     "The students came wellprepared with specific questions and were serious about the chance, "said

Sherwood, director of graduate admissions and funding at Oxford, who will make __6__ two stops

for the fair in Wuhan and Shanghai.

     The University of Cambridge __7 _ (attend) the fair since its first session in 2009, and stresses that

it would continue to invest to train students to be problemsolvers.

      __8 _ Cambridge and Oxford present at the fair in competition for __9_ best and brightest,

Osterfield and Sherwood agree that the two universities usually have more interest in cooperation

__10__ competition, except in their traditional annual boat race.