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【多选题】
关于睾丸的结构正确的有A.
外被白膜
B.
后缘白膜增厚,形成纵隔,并呈辐射状伸入伸入睾丸内部
C.
睾丸小隔把睾丸分隔成许多锥体形的小叶
D.
每个小叶内含有1~4条生精小管
E.
生精小管汇合成输出小管进入附睾
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举一反三
【单选题】The earthquake in Japan, measuring 9.0 on the Richter Scale, was so violent cause a series of explosions of the nuclear reactors in several power stations.
A.
to
B.
that
C.
as to
D.
as that
【单选题】The earthquake may __ landslides that cause great damage and loss of life.
A.
trigger
B.
retreat
C.
emerge
D.
scrape
【简答题】The earthquake may _________ landslides that cause great damage and loss of life.
【简答题】The direct cause of most earthquake-related deaths or injuries is seldom ground movement, but______, flying glass and falling objects.
【单选题】Lecture B Seismic Waves Which wave is the main cause of the shaking in during an earthquake?
A.
Love
B.
P
C.
Rayleigh
D.
S
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