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【多选题】
关于精子获能的描述,哪些正确A.
发生在子宫和输卵管
B.
发生在男性生殖管道内
C.
除 精子头表面抑制性的糖蛋白
D.
使精子获得运动能力
E.
使精子获得使卵子受精的能力
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举一反三
【简答题】他两个月前到达这个学校。He ____ ____this school two months ago.
【单选题】5It is implied but not stated in the passage that ______.
A.
those who have long-term goals will succeed
B.
writing down the dates may discourage you
C.
the goal is only a guide for us to reach our desination
D.
every should have a goal
【单选题】This is one of the best films _______.
A.
that have been shown this year
B.
that have shown
C.
that has been shown this year
D.
that you talked
【单选题】The play ______ at the theatre next Sunday.( )
A.
will show
B.
will shown
C.
will be shown
D.
is shown
【单选题】The wen-rounded study has shown .
A.
dropouts are substantially below PhDs in financial attainment
B.
the incentive factor is a minor one in regard to pursuing PhD studies
C.
the PhD candidate is likely to change his field of specialization if he drops out
D.
about one-third of PhD candidates do not complete their doctorates
【单选题】毛笔字的教学要按照()的顺序,加强写字指导
A.
仿影 、 临帖 、 描红
B.
仿影 、 描红 、 临帖
C.
描红 、 临帖 、 仿影
D.
描红 、 仿影 、 临帖
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