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继珠江三角洲、长江三角洲地区经济快速发展后，中国最大的工业密集区域——环渤海经济圈正成为中国经济增长的“第三极”，成为拉动中国北方地区经济发展的“发动机”。读图和相关资料，回答以下问题。(7分) （1）黄淮海平原风沙频率最高出现在什么季节？该季节风沙危害严重，其形成的自然原因有哪些？ （2）与美国东北部工业区相比，我国发展中面临的重要问题是（ ） A．矿产资源不足 B．交通不便 C．水资源短缺 D．农业基础薄弱 （3）环渤海工业区解决上述面临问题的主要措施有哪些?
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【单选题】C盘根目录下有子目录FOX,键入DEL C:\FOX命令后回车,其结果为( ).
A.
删除FOX子目录及一切文件
B.
显示错误信息
C.
删除以FOX开头的文件
D.
询问是否删去FOX子目录下的一切文件
【简答题】AT(”FOX”，”VISUALFOXPRO”)的运算结果是__________
【单选题】Why couldn’t the fox get the grapes?
A.
Because the fox was crippled.
B.
Because the fox simply did not want to.
C.
Because the fox did not give his best shot.
D.
Because they were too far away to be reached.
【单选题】The flying fox is not a fox at all. It is an extra large bat that has got a fox's head, and that feeds on fruit instead of insects. Like all bats, flying foxes hang themselves by their toes when it re...
A.
their size
B.
their appearance
C.
the way they rest
D.
the kind of food they eat
【单选题】On September 27, Luisa sent Fox a letter offering to sell Fox a vacation home for $150,000. On October 2, Fox replied by mail agreeing to buy the home for $145,000. Luisa did not reply to Fox. Do Fox ...
A.
No, because Fox's letter was a counteroffer.
B.
No, because Fox failed to sign and return Luisa' letter.
C.
Yes, because Luisa's silence is an implied acceptance of Fox's letter.
D.
Yes, because Luisa's offer was validly accepted.
【单选题】What did the fox ask the little prince to do?
A.
The fox wanted the little prince to tame him.
B.
The fox wanted the little prince to leave him.
C.
The fox wanted the little prince to give him some water.
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