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【单选题】
Compared to other mammals, humans have relatively long life _________.
A.
length
B.
extension
C.
expense
D.
span
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【多选题】肾脏的生理功能有
A.
调节体内水和渗透压
B.
调节电解质浓度
C.
调节酸碱平衡
D.
内分泌功能
E.
排泄废物和毒物
【单选题】下列关于湿空气焓的说法中正确的是:
A.
唯一地取决于温度;
B.
唯一地取决于湿度;
C.
同时取决于温度和湿度;
D.
与温度和湿度都无关。
【单选题】A survey was carried out on the sleep time of students in middle schools, ______ were surprising.
A.
its results
B.
whose result
C.
the results of which
D.
of which results
【单选题】下列关于湿空气湿球温度的说法中正确的是:
A.
只取决于湿空气的温度;
B.
只取决于湿空气的湿度;
C.
同时取决于湿空气的温度和湿度;
D.
与湿空气的温度和湿度都无关。
【多选题】蕨类植物属于(    )。
A.
高等植物    
B.
维管植物    
C.
颈卵器植物    
D.
孢子植物    
E.
种子植物
【单选题】A survey was carried out on cheating in examinations in college all over the country, ________ were surprising.
A.
such results
B.
the results of which
C.
these results
D.
the results of it
【判断题】蕨类植物既属于颈卵器植物又属于维管植物。
A.
正确
B.
错误
【判断题】蕨类植物既属于颈卵器植物,又属于维管植物。
A.
正确
B.
错误
【单选题】A survey was carried out on the default rate of the assembly line, ____ were surprising
A.
as results
B.
which the results
C.
of whose the results
D.
the results of which
【简答题】A survey was carried out on the death rate of ?A survey was carried out on the death rate of new-born babies in that region, ________ were surprising. A) as results          B) which results     C) th...
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