皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
在极坐标系中,极点为坐标原点O,已知圆C的圆心坐标为 ,半径 为 ,直线 的极坐标方程为 . (1)C的极坐标方程; (2)若圆C和直线 相交于A,B两点,求线段AB的长.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】【R10】 OVER THE PAST TWO DECADES, THE LIVES OF AMERICAN WOMEN HAVE UNDERGONE UNPARALLELED CHANG E. THE VIRGINIA SLIMS OPINION POLL HAS CHRONICLED THAT CHANGE IN NATIONAL SURVEYS CONDUCTED SIX TIMES SIN...
A.
THERE IS EVIDENCE IN THE POLL THAT WAITING FOR MEN TO LIVE UP TO THE IDEAL OF EQUAL RESPONSIBILITY IS A MAJOR IRRITANT FOR MOST WOMEN TODAY.
B.
TOGETHER, THESE SURVEYS PROVIDE A COMPREHENSIVE PICTURE OF WOMEN'S CHANGING STATUS, AND OF THEIR VIEWS OF THE FUTUR E.
E.
IN 1970, MOST WOMEN WERE CONCERNED ABOUT GETTING MEN TO SHARE HOUSEHOLD CHORES. D. THEY, LIKE WOMEN, BELIEVE THAT DISCRIMINATION REMAINS AN IMPORTANT PROBLEM IN THE WORKPLAC E. E. OVER THE PAST THREE GENERATIONS, EXPECTATIONS OF MEN AS RULERS AND PROTECTORS OF THE HOUSEHOLD HAVE CHANGE D.
F.
INSTEAD, AS WOMEN CONTRIBUTE MORE TO THE FAMILY INCOME, THEY EXPECT IN RETURN A MORE EQUAL DIVISION OF THE HOUSEHOLD RESPONSIBILITIES.
【单选题】The passage is mainly concerned with ______.
A.
Chinese Americans today
B.
social status of Chinese Americans today
C.
incomes and occupational status of Chinese Americans today
D.
problems of Chinese Americans today
【单选题】上海证券交易所于( )正式营业。
A.
1991年6月
B.
1990年6月
C.
1990年12月
D.
1991年12月
【单选题】上海证券交易所和深圳证券交易所先后于()正式营业。
A.
1990年12月和1991年7月
B.
1991年7月和1990年12月
C.
1991年7月和1992年10月
D.
1992年10月和1991年7月
【单选题】Lewin was interested in taking research beyond books and looking at how it could ____ real social change
A.
bring up
B.
bring about
C.
bring in
D.
bring out
【单选题】扁桃体II度肿大为
A.
不超过咽腭弓。
B.
超过咽腭弓。
C.
不超过舌腭弓。
D.
超过舌腭弓。
E.
超过咽后壁中线。
【单选题】扁桃体II度肿大者为
A.
超过咽腭弓
B.
达到咽后壁中线
C.
达到舌腭弓
D.
未达咽腭弓
E.
未达咽后壁中线
【单选题】扁桃体II度肿大者为
A.
超过咽腭弓
B.
达到咽后壁中线
C.
达到舌腭弓
D.
未达咽腭弓
【单选题】双侧扁桃体II度肿大时,咽部检查可见双侧扁桃体:
A.
不可见
B.
不超过咽腭弓
C.
达到咽后壁中线
D.
超过咽后壁中线
E.
超过咽腭弓
【单选题】扁桃体II度肿大指
A.
不超过咽腭弓
B.
超过咽腭弓
C.
超过咽腭弓但未达咽后壁中线
D.
超过咽腭弓并达到或超过咽后壁中线
E.
能看到又能触及但在胸锁乳突肌以内
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题