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【单选题】
关于地球上空的臭氧层，下列说法正确的是
A.
环境中含有少量的臭氧可使人感到清爽，但过量的臭氧会对人造成伤害
B.
臭氧层分布在离地球表面大约 50 公里至 1000 公里的高度
C.
臭氧层是由于长波紫外线照射大气层中的氧气 (O2) 分子而产生的
D.
臭氧 (O3) 分子很稳定，一经产生就不易消失
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【单选题】心脏每收缩和舒张一次,称一个( )。
A.
心动周期
B.
血压
C.
心音
D.
每博心输出量
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【单选题】(2013·浙江高考)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
A.
was
B.
be
C.
were
D.
is
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【单选题】Which of the following best describes the author's attitude towards busing cutbacks?
A.
Favorable.
B.
Critical.
C.
Objective.
D.
Indifferent.
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【简答题】favo(u)rite
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【单选题】The teacher told us that the sun______bigger than the earth. A. is B. was C. has been D.will be
A.
1
B.
2
C.
3
D.
4
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【单选题】血浆晶体渗透压下降,伴有循环血量严重不足时,将出现:( B )
A.
ADH分泌减少,尿量增多
B.
ADH分泌增多,尿量减少
C.
ADH分泌增多,尿量增多
D.
ADH分泌不变,通过肾血流量自身调节,使尿量减少
E.
ADH分泌减少,通过肾血流量自身调节,使尿量减少
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【单选题】血浆晶体渗透压下降,伴有循环血量严重不足时,将出现( ):
A.
ADH分泌减少,尿量增多
B.
ADH分泌增多,尿量减少
C.
ADH分泌增多。尿量增多
D.
ADH分泌不变,通过肾血流量自身调节,使尿量减少
查看完整题目与答案
【单选题】Eye doctors recommend that a child’s first eye exam ________ at the age of six months old.                                                             (2013·浙江，8)
A.
was
B.
be
C.
were
D.
is
查看完整题目与答案
【单选题】听力原文：W: I know you're busy, but how about attending a film festival tonight? Your favorite star will make an appearance. M: You think I'd give that a miss? Q: What will the man probably do? (17)
A.
He might miss it because he's very busy.
B.
He probably won't go since his favorite stars are missing.
C.
He'll definitely go though he's very busy.
D.
He'll try to make it if he is not too busy.
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【简答题】favo(u)r
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相关题目：
【单选题】心脏每收缩和舒张一次,称一个( )。
A.
心动周期
B.
血压
C.
心音
D.
每博心输出量
查看完整题目与答案
【单选题】(2013·浙江高考)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
A.
was
B.
be
C.
were
D.
is
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【单选题】Which of the following best describes the author's attitude towards busing cutbacks?
A.
Favorable.
B.
Critical.
C.
Objective.
D.
Indifferent.
查看完整题目与答案
【简答题】favo(u)rite
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【单选题】The teacher told us that the sun______bigger than the earth. A. is B. was C. has been D.will be
A.
1
B.
2
C.
3
D.
4
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【单选题】血浆晶体渗透压下降,伴有循环血量严重不足时,将出现:( B )
A.
ADH分泌减少,尿量增多
B.
ADH分泌增多,尿量减少
C.
ADH分泌增多,尿量增多
D.
ADH分泌不变,通过肾血流量自身调节,使尿量减少
E.
ADH分泌减少,通过肾血流量自身调节,使尿量减少
查看完整题目与答案
【单选题】血浆晶体渗透压下降,伴有循环血量严重不足时,将出现( ):
A.
ADH分泌减少,尿量增多
B.
ADH分泌增多,尿量减少
C.
ADH分泌增多。尿量增多
D.
ADH分泌不变,通过肾血流量自身调节,使尿量减少
查看完整题目与答案
【单选题】Eye doctors recommend that a child’s first eye exam ________ at the age of six months old.                                                             (2013·浙江，8)
A.
was
B.
be
C.
were
D.
is
查看完整题目与答案
【单选题】听力原文：W: I know you're busy, but how about attending a film festival tonight? Your favorite star will make an appearance. M: You think I'd give that a miss? Q: What will the man probably do? (17)
A.
He might miss it because he's very busy.
B.
He probably won't go since his favorite stars are missing.
C.
He'll definitely go though he's very busy.
D.
He'll try to make it if he is not too busy.
查看完整题目与答案
【简答题】favo(u)r
查看完整题目与答案