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【单选题】
连续培养的特点()A.
补充新鲜营养基与排出培养物的速度达到动态平衡,但营养物利用率低。
B.
微生物的生长速率稳定,但易发生变异。
C.
开放系统,微生物保持对数期的平衡生长状态。
D.
以上都对。
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【简答题】How can economies of scale help explain the existence of financial intermediaries?
【简答题】How economies are connected?
【单选题】How did she describe African economies?
A.
Stably-decreasing and vigorous.
B.
Stably-decreasing and sluggish.
C.
Stably-growing and sluggish.
D.
Steadily-growing and energetic.
【单选题】Modern market economies require economics to______.
A.
deal with how social institutions work
B.
give up the study of price theory
C.
act more as a social science than a hard one
D.
primarily concern itself with economic solutions
【单选题】_________ I like economies, I like sociology much better.
A.
As much as
B.
So much
C.
How much
D.
Much as
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