单选题：This passage provides us with _______.

题目内容：

This passage provides us with _______. A．a piece of scientific information
B．a normal lesson
C．an interesting test
D．a piece of news

参考答案：

答案解析：

The author mentions food, tools and precious metals and ston

The author mentions food, tools and precious metals and stones together because

分类：英语题型：单选题

It was in 1930 _______ he became a university student. A．when B．that C．which D．a

分类：英语题型：单选题

Please telephone me half an hour _______. A．in charge B．in advance C．in time D．i

分类：英语题型：单选题

It ______ him ten years to write that novel. A．took B．spent C．cost D．costed

分类：英语题型：单选题

读图，回答下列问题(共13分)(1)将下列环境污染的代表字母填入图中：A.工业“三废” B.建筑施工C.汽车 D.居民炉灶E.生活垃圾 F.生活污水(2)图中甲

分类：英语题型：单选题