if (如果)有关试题答案解析

考点：条件句的正确使用

题型：单项选择-四个选项 | 难度：适中

1 . Elephants will be safe ________ people stop buying things made from them.

A．because

B．until

C．if

D．or

考点：条件句的运用

题型：单项选择-四个选项 | 难度：较易

2 . ________ everyone tries to sort garbage(分类垃圾） like people in Shanghai, our environment will become much better.

A．As

B．If

C．Because

D．Since

考点：条件句的构成，‘if’引导条件

题型：完成句子-汉语提示 | 难度：适中

3 . 如果你不告诉我，我就自己把它弄明白。
I will find it out myself ________ you ________ me.

考点：条件句的使用

题型：单项选择-四个选项 | 难度：适中

4 . You can surf the Internet ________ you want to know about the 18th World Middle School Games.

A．until

B．after

C．if

D．so

考点：条件句的用法

题型：单项选择-四个选项 | 难度：适中

5 . ________ you eat hamburgers every day, you’ll get fat.

A．If

B．When

C．After

D．How