关于传统IP网络在转发数据时的描述说法正确的是（）。 A.传统IP转发是基于连接的，

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My parents took me to Japan when I was little. I lived there for five years.    1    I came back, my Japanese was very good. "Can I do something useful with my Japanese?" I asked myself.      Then, one day last spring, I got a good opportunity(机会).      Everyone was afraid of SARS, so I stayed at home with    2    to do.      My father brought me a Japanese book. "Why don't you translate(翻译)it into Chinese? It will be better than    3    computer games all day."      I promised (许诺)to do 2000 words each day. But    4    I found it was hard to keep the promise.      One day in May, the weather was beautiful. But I couldn't go out. Those 2000 words  were still    5    me.      After translating only three pages, I already lost interest in the book.      I looked at it for a long time. But I couldn't make myself turn the pages. How I    6    I could just go outside and play football with my friends!      I counted the words again and again .I just wanted to give up.      I felt as if two people were fighting    7    my mind. One said,"Don't give up! Keep working hard, and you'll do well!" But then the other one said ,"Go and play! It will be more    8    than translating. Do your work tomorrow. "      I stood up and would    9    the computer.      But then I remembered    10    my parents had told me:"Whatever you do, don't stop halfway. " So I sat down and went on with it .
( )1.A. Because ( )2.A. nothing ( )3.A. be played ( )4.A. just then ( )5.A. talking to ( )6.A. thought ( )7.A. in ( )8.A. fun   ( )9.A. turn on ( )10.A. how	B. Until B. something B. playing B. right now B. looking at B. felt   B. with   B. important B. turn off B. where	C. Since C. everything C. played C. soon   C. smiling at C. wished   C. about C. useful C. open   C. which	D. When       D. anything   D. plays       D. suddenly   D. waiting for D. decided     D. for         D. dangerous   D. close       D. what

The calculations, had they been done by hand, ______all practical value by the time they were finished.

A．had lost

B．would lose

C．should have lost

D．would have lost

病毒个体在生活上最大的特点是（　　）

A．独立生活

B．自由生活

C．腐生生活

D．必须寄生在活的细胞内

地球自转一圈的时间是一天，地球半径约为6371千米。毛 * * 诗词“坐地日行八万里”是有科学依据的。人可以随着地球自转运动，那么与诗句最吻合的可能是哪个国家的人（）？

A.阿富汗

B.南非

C.新加坡

D.挪威

(五)

某大型公司提供的2010年财务资料中有关于各种长期资金筹集来源的构成及其比例，其具体数据如下表所示：

资本结构	金额/万元	相关资料
长期借款	1000	10年期，年利率5%，每年付息一次，筹资费用率1%
发行长期债券	400	5年期，票面利率6%，每年付息一次，发行费用率3%
普通股股本	2000	每股市价10元，筹资费用率5%，预计每股股利0.5元，股利年增长率为4%
留存收益	600	资本成本为10%
合计	4000	企业所得税税率为25%

该公司加权平均资本成本为( )。

A．7.54%

B．8.05%

C．6.74%

D．9.54%