皮皮学,免费搜题
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【单选题】
I like football very much.I want a football player. [     ]
A.
is
B.
am
C.
to be
D.
be
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举一反三
【单选题】补体激活经典途径中的 C5 转化酶是
A.
C4b2a
B.
C3b2a
C.
C4b2a3b
D.
C5b6789n
【单选题】I went to see a film ______ last year. [     ]
A.
every three weeks
B.
every third weeks
C.
each three weeks
D.
each three weeks
【单选题】补体激活经典途径中的C5转化酶是
A.
C3bnBb
B.
C4b2a3b
C.
C3bBb
D.
C4b2a
E.
C56789
【单选题】I go to see a film _________ .
A.
every two weeks
B.
every third weeks
C.
each three week
D.
each three weeks
【单选题】补体激活经典途径中的c5转化酶是
A.
C3bnBb
B.
C4b2a3b
C.
C3bBh
D.
C42a
E.
c56789
【判断题】离线清洗是指,从RO装置取出1支膜元件,采取独立的清洗装置进行后续清洗。
A.
正确
B.
错误
【单选题】补体激活经典途径中的C5转化酶是
A.
C3bBb3b
B.
C4b2a3b
C.
C3bBb
D.
C4b2a
E.
C56789
【单选题】石材幕墙安装:接缝宽度(光面)允许偏差()mm。
A.
1
B.
2
C.
3
D.
4
【单选题】I go to the cinema .
A.
every three week
B.
every other weeks
C.
each three weeks
D.
every third week
【简答题】Paper produced every year is three times ______the world’s production of vehicles. A . as heavier as  B . more heavier    C . of the weight of   D . the weight of
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