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【单选题】
关于卵巢周期性变化，下列哪项是错误的A.
颗粒细胞层无血管
B.
卵泡内膜层血管丰富
C.
原始卵泡的梭形细胞衍变为颗粒细胞
D.
是由卵泡内、外膜细胞和颗粒细胞共同形成
E.
卵泡内膜细胞衍变为放射冠
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【单选题】China daily is popular with students of English because it helps to improve ___ English.
A.
our
B.
my
C.
one’s
D.
their
【简答题】China is a 1.3 billion population country. We always speak Chinese. Now we have to study English. English is difficult to study.
【简答题】I have a friend. His name is Eric. He is English. But now he is in China. He is a student. Look! This is his classroom. Thir small desks and thirty chairs are in the classroom. They are for his cl...
【单选题】English as a world Language English is a victim of its own success. Newspapers in England have noticed that the incorrect use of cliches are marring the smooth flow of a great language whose ability t...
A.
it has become the most widely used language in the world
B.
It has made a conquest in Japan and China, which were not colonized by Britain
C.
it has beaten other languages such as French
D.
each state or continent has its own version of English
【单选题】管道和容器破裂、进出口阀门开关失灵,导致化工原料、中间品或成品等液体和气体从容器或管道里溢流出来,这种( )事故称作“跑”。
A.
物料损耗
B.
堵塞
C.
联通
D.
畅通
【单选题】______ China Today is a good way of improving our English.
A.
Having read
B.
Have read
C.
Reading
D.
Read
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