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【单选题】
放线菌的主要繁殖方式是A.
菌丝断裂
B.
有性生殖
C.
孢子繁殖
D.
减数分裂
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举一反三
【单选题】More than 20 years ago he was badly wounded in the anti－Vietnam war. Since then he can only walk
A.
30. More than 20 years ago he was badly wounded in the anti-Vietnam war. Since then he can only walk _____ an arm-chair . A．in
B.
on
C.
by
D.
Over
【简答题】ager Brian Robeson was travelling from the USA to Canada to see his father. He was the only passenger in a small plane, high above the Canadian mountain, when suddenly the pilot had a heart diseas...
【单选题】He was then the only among the there.
A.
person asleep, people present
B.
asleep person, present people
C.
person asleep, present people
D.
asleep person, people present
【简答题】The professor describes an interesting case he had to deal with earlier on when he was fresh out of . He had a student who could not understand why he had to study which the young professor was then t...
【简答题】The professor describes an interesting case he had to deal with earlier on when he was fresh out of 1 . He had a student who could not understand why he had to study 2 which the young professor was th...
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