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【单选题】
《导游服务质量》国家标准是于( )年制定的。A.
1993
B.
1995
C.
1997
D.
1999
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举一反三
【单选题】下列关于透明带的描述中错误的是
A.
从初级卵泡开始出现，为一层嗜酸性的膜
B.
位于卵母细胞和卵泡细胞之间
C.
由卵母细胞和卵泡细胞共同分泌形成
D.
卵泡发育成熟时，透明带消失
【单选题】下列关于透明带的描述中错误的是
A.
卵泡发育成熟时，透明带消失
B.
位于卵母细胞和卵泡细胞之间
C.
由卵母细胞和卵泡细胞共同分泌形成
D.
从初级卵泡开始出现，为一层嗜酸性的膜
【单选题】The scholar was so ______ that he sneered at everything that made life worth living.
A.
sane
B.
wise
C.
cynical
D.
critical
【单选题】下列关于透明带的描述中错误的是
A.
由卵母细胞和卵泡细胞共同分泌形成
B.
从初级卵泡开始出现，为一层嗜酸性的膜
C.
卵泡发育成熟时，透明带消失
D.
位于卵母细胞和卵泡细胞之间
【单选题】The scholar has made another breakthrough, ( ) of great importance to the progress of science and technology.
A.
I think which is
B.
which I think it is
C.
which I think is
D.
about which I think it is
【单选题】The scholar has made another breakthough in this field, ______ of great importance to the progress of science and technology.
A.
I think which is
B.
which I think is
C.
which I think it is
D.
about which I think it is
【单选题】The school was in 1929 by a Chinese scholar. (2015.12 真题 32) A) established B) placed C) imagined D) made
A.
established
B.
placed
C.
imagined
D.
made
【简答题】The scholar made some __________ about the recent trends in literary research.
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