皮皮学，免费搜题
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【单选题】
人参的茎痕、根茎、不定根分别称为()A.
、碗、艼
B.
艼、、碗
C.
碗、头、艼
D.
珍珠点、、艼
E.
、珍珠点、碗
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皮皮学刷刷变学霸
举一反三
【简答题】What did the man plan to do? A . Buy some books. B . Look for a good job. C . Repair the car.
【简答题】双雄受精产生的合子,可能的核型有三种:_____、_____和_____。
【单选题】Cartels are likely to be better able to prevent their members from cheating on an agreement:
A.
e greater the number of members in the cartel.
B.
the fewer the number of members in the cartel.
C.
the greater the number of members in the cartel.
D.
the greater are the differences in production costs across member firms.
E.
the greater are the differences in demand projections across member firms.
【简答题】一个完整的木马程序由两部分组成(__)、(__)
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