经皮吸收制剂的质量评价包括( )。A．重量差异 B．面积差异 C．含量均匀度 D．

等腰三角形腰上的高与底边夹角为15°，则顶角的度数为        。

2008年3月14日，西藏自治区拉萨市区发生了打砸抢烧严重暴力犯罪事件，这是由达赖集团有组织．有预谋．精心策划煽动境内外“藏独”分裂势力，相互勾结制造的。历史上西藏置于中央政府管辖之下是在[ ]

A、唐朝

B、宋朝

C、元朝

D、清朝

It is _____that he has been addicted to the drugs and has difficulty quitting it.

A．obviously

B．apparently

C．possibly

D．likely

Some of the old beliefs passed down from one generation to another ______ the present thinking. [ ]

A. agree with

B. deal with

C. put up with

D. come up with

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