单选题：Who made a great contribution to the civil-rights movement i

题目内容：

Who made a great contribution to the civil-rights movement in the US? A．Jane Addams.
B．Rachel Carson.
C．Sandra Day O’Connor.

D．Rasa Parks.

参考答案：

答案解析：

What does the woman think of Gordon’s coming weekend?

What does the woman think of Gordon’s coming weekend?A．Relaxed B．Boring C．Busy.

分类：英语题型：单选题

What will Gordon do over the weekend?A．Visit his friends B．Watch DVDs C．Join the

分类：英语题型：单选题

The underlined word “them” in Paragraph 6 refers to Welty’s__A．readers B．parti

分类：英语题型：单选题

已知异丙苯的结构简式如下，下列说法错误的是A．异丙苯的分子式为C9H12 B．异丙苯的沸点比苯高 C．异丙苯中碳原子可能都处于同一平面 D．异丙苯的和苯为同系物

分类：英语题型：单选题

【化学——选修2：化学与技术】（15分）双氧水是一种重要的氧化剂、漂白剂和消毒剂。生产双氧水常采用蒽醌法，其反应原理和生产流程如图所示：生产过程中，把乙基蒽醌

分类：英语题型：单选题