题目内容
(请给出正确答案)
[主观题]
It is vital that people explore the cuases of poor lifestyles.
提问人:网友wangxiu2008
发布时间:2022-01-07
A.It was heavy.
B.It was larg
C.It consumed huge amount of electricity while workin
D.It looked ugly.
渗透泵型控释制剂常用的半透膜材料
A、醋酸纤维素
B、乙醇
C、聚氧化乙烯(PEO)
D、氯化钠
E、1.5%CMC-Na溶液
Where can people make a contribution?
A.The Red Cross
B.The Post Office
C.The Bank of the People
D.City Hall
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