一名中学生的重力,最接近的是( ) A.0.5牛 B.5牛 C.50牛 D.50

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问题:

一名中学生的重力,最接近的是(  )

A.0.5牛

B.5牛

C.50牛

D.500牛

考点:重力大小的估测重力的计算
题型:选择题

北宋四大家:

题型:选择题

病历摘要:某妇女妊娠2+月出现 * * 流血,妇科检查: * * 有暗红色血,宫颈着色软,子宫如孕4+月大小,右侧扪及5cm×5cm大小的囊性包块。

下列临床表现哪些项目与良性葡萄胎相符()

A. * * 流血

B.痰中带血

C.贫血

D.妊高征

E.甲亢

题型:选择题

小题1:The Information Highway          .

A.is free from traffic accidents

B.is crowded with car drivers

C.offers just a few on-line services

D.appeals to a large number of users小题2:How does Mr. Cool manage to travel the Information way so fast?

A.By storing fewer files

B.By repairing the system.

C.By buying a better computer

D.By using a broad—band connection.小题3:What can be learned from Passage 2 ?

A.There will be a book show at Grayson Hall.

B.Friedman is now studying the Great Barrier Reef.

C.There will be a talk on global warming this week.

D.Friedman is a leading expert on computer science.小题4:Passage 2 is most probably          .

A.a poster about a lecture

B.an ad for a new book

C.a note to a doctor in a university

D.an introduction to a professor

题型:选择题

已知:N2(g)+3H2(g)2 NH3(g)△H=-92kJ· mol-1若向体积为10L的恒温密闭容器中充入1.2 mol N2和0.6molH 2反应,由图像分析,下列叙述正确的是

A.10~11min该反应的速率为v(H2)>0.003mol/(L·min)

B.若改变所用催化剂时,△H 会发生变化

C.若将上述密闭容器换作绝热密闭容器,其余条件不变,NH3的产率将降低

D.从11min起其它条件不变,压缩容器的体积,则c(H2 )的变化曲线为b

题型:选择题

与政府的行政管理相比,行业自律管理更容易调动行业成员的( ),可以在更广泛的层面上调动社会资源,这不仅有利于节约政府资源,更有利于提高房地产经纪行业管理水平,使房地产经纪行业在更大程度上增进社会福利。

A.主观能动性
B.创造性
C.开拓性
D.竞争性

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