题目内容

24

A)After she started teaching English.
B) Before she left for New Zealand.
C)When she moved to New York city.
D)Once she began to live on her own.

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25

A)It has renewed her passion for life.
B)It has made her happy and energetic.
C)It has helped her make new friends.
D)It has enabled her to start a new career.

立克次体是一类细长、柔软、弯曲、运动活泼的原核细胞型微生物,生物学地位介于细菌与原虫之间

A. 对
B. 错

放线菌是一类丝状或链状、呈分枝生长的原核细胞型微生物

A. 对
B. 错

绝大多数微生物对人是有益的

A. 对
B. 错

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