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【多选题】
酶是化学本质包括A.
蛋白质
B.
糖
C.
核糖核酸
D.
脂类
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【单选题】听力原文： Tens of thousands of people gathered below the Union Buildings to celebrate South Africa's trans formation. On the stage, black and white musicians performed side by side. The loudest cheer was ...
A.
Nelson Mandela.
B.
Robert Mugabe.
C.
Thabo Mbeki.
D.
The president.
【简答题】阅读理解。 Mexico's neighbors are the United States on the north and Guatemala and Belize to the south. Mexico is about one quarter of the size of the United States. Mexico has more than ninety million peo...
【单选题】Underdeveloped People The Indians living on the high plains of the Andes Mountains, in South America, have a background rich in history but rich in little else. These seven million people from the gre...
A.
N
B.
Y
C.
NG
【单选题】Japanese workers still put in an impressive 42 hours each week but they are____by the South Koreans and Singaporeans who spend an average 46 hours at the grindstone.
A.
outdone
B.
outweighed
C.
outrun
D.
outrivaled
【简答题】(教材改编题)已知全集U=R,集合A={x|-2
【多选题】拟诊为急性阑尾炎时，白细胞计数意义的估价（）
A.
白细胞计数不高不能否定诊断
B.
白细胞计数无重大意义
C.
反复检查白细胞计数逐渐升高时，对诊断有价值
D.
白细胞计数不高可以否定诊断
E.
部份病人白细胞无明显升高
【简答题】文物的四性有: 、 、 、 。
【单选题】The reader can assume that airport of the future will______.
A.
have runways in a north-south pattern
B.
be located in unpopulated areas
C.
be required to warn passengers of high noise levels
D.
in nearby areas
【多选题】拟诊为急性阑尾炎时,白细胞计数意义的估价
A.
白细胞计数不高不能否定诊断
B.
白细胞计数无重大意义
C.
反复检查白细胞计数逐渐升高时,对诊断有价值
D.
白细胞计数不高可以否定诊断
E.
部分病人白细胞无明显升高
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【简答题】(教材改编题)已知全集U=R,集合A={x|-2
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