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【单选题】
Much to my surprise, the trapped girl _____ stay alive in the ruins for up to seven days with nothing to eat or drink. [ ]A.
may
B.
should
C.
can
D.
must
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举一反三
【单选题】G+和G-细菌的主要区别是
A.
前者有鞭毛
B.
前者有荚膜,后者无荚膜
C.
前者有肽聚糖,后者无肽聚糖
D.
前者有磷壁酸,后者无磷壁酸
E.
前者有拟核,后者拟核
【简答题】A．John was disappointed at his math score. B．John did better than he thought he was able to. C．John didn't pass, although he had tried his best. D．John got an excellent score, which was unexpected.
【单选题】下面选择中G + 和 G - 细菌的细胞壁主要区别在于( )。
A.
G + 有鞭毛 , G - 无鞭毛
B.
G + 有肽聚糖 , G - 无肽聚糖
C.
G + 有荚膜 , G - 无荚膜
D.
G + 有磷壁酸 , G - 无磷壁酸
【简答题】A．John was disappointed at his math score. B．John did better than he thought he was able to. C．John didn't pass, although he had tried his best. D．John got an excellent score, which was unexpected.
【单选题】________ a teacher, John thinks that his main duty is to help the students to become better learners. [ ]
A.
As
B.
By
C.
About
【单选题】G+和G-细菌的主要区别在于
A.
G+有鞭毛, G-无鞭毛
B.
G+有肽聚糖,G-无肽聚糖
C.
G+有荚膜,G-无荚膜
D.
G+有磷壁质（酸）,G-无磷壁质（酸）
【简答题】从会计凭证的取得或填制时起至归档保管过程中,在单位内部有关部门和人员之间的传送程序,属于 A. 会计凭证的填制 B. 会计凭证的审核 C. 会计凭证的传递 D. 会计凭证的保管
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