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【单选题】
Remember what our professor said. If you fail to complete your ____ on time, you may lose points for your final grade.
A.
accompany
B.
assignments
C.
assurance
D.
access
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举一反三
【单选题】The main idea of the business school academic is appealing. In a world where companies must adapt to new technologies and source of competition, it is much harder than it used to be to offer good empl...
A.
had job security and opportunity of promotion
B.
had to compete with each other to keep his job
C.
had to undergo training all the time
D.
had no difficulty climbing the corporate ladder
【单选题】采集的卵母细胞都要在体外经人工培养成熟后,才能与获能的精子受精。以下原因不正确的是 [     ]
A.
卵子从输卵管中冲出也要经历类似精子获能的过程
B.
动物排出的卵子成熟程度不同
C.
体外人工培养至减数第二次分裂中期时,才算成熟
D.
冲出的卵子还需要培养一段时间,才能由小变大
【单选题】-Is it your boss in the office? -No, it _____ be him. He has gone to Beijing on business. [     ]
A.
mustn't
B.
shouldn't
C.
can't
D.
needn't
【单选题】采集的卵母细胞,都要体外经人工培养成熟后,才能与获能的精子受精,以下关于原因的叙述不正确的是 [     ]
A.
卵子从输卵管中冲出也要经历类似精子获能的过程
B.
动物排出的卵子成熟程度不同
C.
体外人工培养至减数第二次分裂中期时,才算成熟
D.
冲出的卵子还需要培养一段时间由小变大
【单选题】采集的卵母细胞在体外经人工培养成熟后,才能与获能的精子受精。以下原因不正确的是 [     ]
A.
卵细胞也要经历类似精子获能的过程
B.
动物排出的卵子成熟程度不同
C.
卵母细胞体外人工培养至减数第二次分裂中期时,才具有与精子受精的能力
D.
冲出的卵子由小变大还需要培养一段时间
【判断题】为文档的标题设置1到9级的大纲级别,可以在大纲视图中进行,数字越大级别越高。
A.
正确
B.
错误
【判断题】为文档的标题设置1到9级的大纲级别,可以在大纲视图中进行,数字越大级别越高
A.
正确
B.
错误
【单选题】What is suggested about Business World Monthly?
A.
It pays its writers on a monthly basis.
B.
It holds an annual book fair for its readers.
C.
It has published several reviews written by Mr. Johnson.
D.
Its subscribers increased from the beginning of January.
【单选题】采集的卵母细胞,都要体外经人工培养成熟后,才能与获能的精子授精,以下原因不正确的是()
A.
卵子从输卵管中冲出也要经历类似精子获能的过程
B.
动物排出的卵子成熟程度不同
C.
体外人工培养至减数第二次分裂中期时,才算成熟
D.
冲出的卵子还需要培养一段时间由小变大
【单选题】采集的卵母细胞,都要在体外经人工培养成熟后,才能与获能的精子受精。以下原因不正确的是 [     ]
A.
卵子从输卵管中冲出后也要经历类似精子获能的过程
B.
动物排出的卵子成熟程度不同
C.
体外人工培养至减数第二次分裂中期时,才算成熟
D.
冲出的卵子还需要培养一段时间由小变大
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