单选题：Why is all life in danger? Because break up the food chains.

题目内容：

Why is all life in danger? Because break up the food chains. A．human beings
B．animals
C．plants and animals
D．man and wild animals

参考答案：

答案解析：

What is the first paragraph mainly about?

What is the first paragraph mainly about? A．Recent predictions of computer-relat

分类：公共英语三级题型：单选题

Why is the Student Action Union opposing the parking lot plan?A．Because they wan

分类：公共英语三级题型：单选题

What did passengers do when the computer was down?A．They left home and went home

分类：公共英语三级题型：单选题

What could the girl in the ticket office do for the passengers without asking th

分类：公共英语三级题型：单选题

根据材料回答题： What impressions are you making on the people around you? Your words,

分类：公共英语三级题型：单选题