下列地理事物中,属于撒哈拉以南非洲的是[ ] A.阿拉伯人的世界 B.尼罗河三角

题型:选择题

问题:

下列地理事物中,属于撒哈拉以南非洲的是[ ]

A.阿拉伯人的世界

B.尼罗河三角洲

C.世界上最大的长绒棉产地

D.世界上黑种人的故乡

考点:非洲
题型:选择题

某企业有2辆从事货物运输的载货汽车,l辆净吨位为4吨,1辆净吨位为6吨。当地政府规定的载货汽车的每净吨位的车船使用税税额为40元,则该当年应纳车船使用税为220元。()

题型:选择题

May the first is an important date in the college admission process in the United States.This is the last day for high school seniors to accept or reject offers of admission in the fall.But according to a recent report, there is a great change. Acceptance rates at the top colleges this year were lower than ever.   小题1:

These days, college applicants are applying to more colleges because online and common applications make the process easier.   小题2: On the other hand, deciding students for top colleges to accept can be difficult because it takes much time. Students may not like being put on waiting lists. Also, common colleges work more to get the students they accept to accept them. Some colleges hold visiting days that offer a chance to attend classes and stay overnight. Some universities send gifts.  小题3: 

For many families, the most important thing colleges can do is show them the money, especially this year; the weak economy makes parents nervous.  小题4:  The recent problems that spread from the housing market to credit markets have even affected student’s loans. So lately, top schools have to spare lots of money to increase their financial aid for students.

 小题5: The Education Department expects the number of high school graduates to start to go down. This will happen as the last of the children of the baby boom generation finishes high school. The number is not expected to start rising again until 2015.

A.Besides, top colleges are facing changes in the population.

B.What contributes to it?

C.But a mistake can be costly if it happens.

D.But top colleges ignore them.E. They have international students who know English.

F. It can mean several acceptances to choose from.

G. They cannot afford college as planned.

题型:选择题

患者,男,50岁,进行性鼻塞及流脓血涕半年多,左侧面颊部隐痛不适一个月。CT检查图像如下:

本病最好发于()

A.蝶窦

B.上颌窦

C.前组筛窦

D.后组筛窦

E.额窦

F.直窦

题型:选择题

帽状期的成釉器由几层细胞构成()

A.2

B.3

C.4

D.5

E.6

题型:选择题

中国学生如果按正常时间读完硕士,一般需要()年。

A.16

B.19

C.20

D.22

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