The writer of this article
A. believes Uganda's situation will ultimately improve.
B. thinks that developed countries do not help Uganda enough.
C. is optimistic about the future in general.
D. is sympathetic to poorer countries.
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The main purpose of the passage is to______.
A. compare skyscrapers with other modem structures
B. describe skyscrapers and their effect on the environment
C. advocate the use of masonry(化妆舞会)in the construction of skyscrapers
D. illustrate some architectural designs of skyscrapers
A．onB．towardC．forD．in
A. on
B. toward
C. for
D. in
A．each oneB．each otherC．the otherD．one other
A. each one
B. each other
C. the other
D. one other
下列条目中哪些是非易失性的存储设备？()
Ⅰ. 高速缓冲存储器 Ⅱ. 主存储器 Ⅲ. 第一级存储器 Ⅳ. 第三级存储器
A. 仅Ⅰ和Ⅱ
B. 仅Ⅱ和Ⅲ
C. 仅Ⅰ和Ⅳ
D. 仅Ⅲ和Ⅳ
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