单选题：This passage is mainly about__________.

题目分类：卫生类
题目类型：单选题
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题目内容：

This passage is mainly about__________. A．A one of the events leading to the American Revolution
B．B the Treaty of Paris between Britain and France　　—考试大+在线考试中心—
C．C the Grenville Program to raise money in the American colonies
D．D Patrick Henry, a hero who opposed the Stamp Act

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答案解析：

"An independent technician" in the first sentence of the sec

"An independent technician" in the first sentence of the second paragraph means

分类：卫生类题型：单选题

Guilders had the money to __________．

Guilders had the money to __________．

分类：卫生类题型：单选题

请在（40）处填上最佳答案。

请在（40）处填上最佳答案。

分类：卫生类题型：单选题

学生学习了杠杆的概念，知道了杠杆的力臂原理，而后他们学习滑轮，知道定滑轮实质上是一种等臂杠杆，这种同化模式属于（　　）。

学生学习了杠杆的概念，知道了杠杆的力臂原理，而后他们学习滑轮，知道定滑轮实质上是一种等臂杠杆，这种同化模式属于（　　）。A．上位学习 B．下位学习 C．并列学习

分类：卫生类题型：单选题

In science museums today， people no longer feel strange in t

In science museums today， people no longer feel strange in the world of science

分类：卫生类题型：单选题