______ you understand it, it’s easy for you to obey it.A．As soon asB．OnceC．Unles

题型：不详难度：来源：

______ you understand it, it’s easy for you to obey it.

A．As soon as

B．Once

C．Unless

D．The moment

答案

解析

考查连词。As soon as一……就；Once一次，一旦；Unless 除非；The moment立刻，一……就。句意：一旦你明白了，你就容易遵守它。故选B。

举一反三

---You won’t go to Mary’s wedding party, will you?
---Yes, ______ invited to.

A．even if

B．if

C．unless

D．though

题型：不详难度：| 查看答案

Help others whenever you can _______ you will earn respect from others without difficulty.

A．and

B．or

C．unless

D．but

题型：不详难度：| 查看答案

—— Where did Mary’s parents buy the beautiful vase?
—— It was in the same village _______ they spent their holidays last year.

A．that

B．when

C．as

D．where

题型：不详难度：| 查看答案

—— The experiment is of particular importance.
—— I see. We won’t carry on with it _______ we can get the good equipment.

A．until

B．unless

C．whether

D．after

题型：不详难度：| 查看答案

Many experts hold the view _______ protection awareness is _______ the key to better environment lies.

A．that; where

B．which; in which

C．which; where

D．that; in which

题型：不详难度：| 查看答案