20世纪90年代，北京“胡同游”兴起于（） A.鼓楼东大街 B.烟袋斜街 C.南锣鼓

函数f（x）=x³-3x²+2是减函数的区间是 ______．

下列有关心悸的说法正确的是（）

A.心悸即心动过速

B.心脏神经官能症时出现心悸，但不伴有心前区疼痛

C.心悸可见于窦性心动过缓

D.心悸与心律失常发生的严重程度成正比

E.心悸与心脏病联系紧密，两者等同

有关原发性痛经的陈述，正确的是（）

A.病人雌激素水平异常升高可致痛经

B.子宫自主神经敏感性增加易发痛经

C.经期子宫内膜PG过度合成可致痛经

D.子宫内膜组织缺氧引起痛经

E.子宫内膜异位引起的痛经

职业装设计的原则首先是有明确的（）：不同行业，同一行业的不同企业的不同岗位，同一岗位的不同身份、性别等。

A、经济性

B、民族性

C、针对性

D、审美性

CONVERSATION 2 (Questions 5-8)

The age when Miss Rowling started to write: (5) .
Miss Rowling considers herself very luck because she can (6) herself by writing.
Miss Rowling never really imagines a (7) audience when writing.
Miss Rowling (8) know where the ideas for the Harry Potter books came from.

CONVERSATION 2 (Questions 5-8)

The age when Miss Rowling started to write: (5) .
Miss Rowling considers herself very luck because she can (6) herself by writing.
Miss Rowling never really imagines a (7) audience when writing.
Miss Rowling (8) know where the ideas for the Harry Potter books came from.