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【单选题】
制备卡介苗利用了结核杆菌的何种变异机制A.
形态变异
B.
结构变异
C.
毒力变异
D.
耐药性变异
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Helen asked me _____the film called "The Wandering Earth.”
A.
have I seen
B.
had I seen
C.
whether I have seen
D.
if I had seen
【多选题】wander (eg. He spent years wandering the Earth.)
A.
n. 奇迹
B.
v. 游荡
C.
n. 游荡
D.
v. 想知道
【单选题】— How do you find the movie “ The Wandering Earth ” ? — _________
A.
I often watch movies at home. .
B.
I always go to the cinema with my friends.
C.
The film is worth seeing .
【简答题】what are the key contributing factors to the success of the movie"The Wandering Earth"?
【简答题】大葱在烹调中是重要的调味蔬菜,可起到____、____的作用。
【单选题】I went to the cinema and _____ The Wandering Earth last night.
A.
watch
B.
watches
C.
watched
D.
watching
【单选题】In the movie The Wandering Earth , he was ______ in the role of a Chinese astronaut.
A.
casted
B.
cast
C.
casting
D.
castled
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