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【单选题】
来源问题是人类胚胎干细胞研究需要首先考虑的问题,胚胎干细胞来源目前探讨有()种。A.
3
B.
4
C.
5
D.
6
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皮皮学刷刷变学霸
举一反三
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【简答题】A.By bringing an animal rarely seen on nearby farms. B.By bringing a bag of grain in exchange for a ticket. C.By offering to do volunteer work at the thir. D.By performing a special skill at the entra...
【多选题】根据《旅游法》规定,旅行社将包价旅游合同中的接待业务委托给其他地接社履行的,应当符合下列规定:()
A.
该地接社应当具有相应资质
B.
无须经旅游者同意
C.
应当与接社订立书面委托合同
D.
应当向地接社提供与旅游者订立的包价旅游合同的副本
E.
应当向地接社支付不低于接待和服务成本的费用
【简答题】A．bringing about B．brought about C．bringing forward D．brought forward
【简答题】A．By bringing an animal rarely seen on nearby farms. B．By bringing a bag of grain in exchange for a ticket. C．By offering to do volunteer work at the fair. D．By performing a special skill at the entra...
【单选题】Mr. Black rewarded the girl _____ $20 _____ bringing back the lost wallet. [ ]
A.
with, for
B.
for, with
C.
at, of
D.
for, for
【单选题】The World Expo is like ____ great stage for cultural exchange, bringing people into closer contact with _____ rest of the world．
A.
a; 不填
B.
the; 不填
C.
a; the
D.
the; the
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