单项选择题

It is（）for all motorcyclists to wear helmets according to the new regulation.

A.optional
B.compulsory
C.voluntary
D.secondary

相关考题

It is important to（）strict restrictions on publishing w...

单项选择题It is important to（）strict restrictions on publishing writings nowadays.

A.repose
B.impose
C.expose
D.dispose

The deeper you go into the novel，the more you begin to ...

单项选择题The deeper you go into the novel，the more you begin to understand and（）with the characters.

A.sympathize
B.concentrate
C.demonstrate
D.maximize

The police made an （）to the public to remain calm.A.app...

单项选择题The police made an （）to the public to remain calm.

A.appeal
B.connect
C.pierce
D.charge

外语考试试题及答案解析