单项选择( )1.Metal------ making machines and many other things.A

单项选择
( )1.Metal______ making machines and many other things.
A.used to B.is used for C.is used as D.is used to
( )2.This CD-ROM can help you learn and have fun _______ .
A.at times B.some time C.on time D.at the same time
( )3.The package tour _______ everything.Don’t worry about it.
A.including B.include C.is covered D.covers
( )4.The words _______ by Mr.Li are marked _______ red.
A.are written; in B.written; in C.are written; with D.written with
( )5.Was the keyboard __________the computer properly?
A.connect to B.connected with C.connect D.connected to
( )6.My father always listens to the news ______ the radio.
A.in B.on C.by D.through
( )7.What will the computer ______ in the future?
A.looks like B.look C.be looked like D.be like
( )8.The brave young man is going to swim across a __________ channel.
A.80-meter-wide B.80-meters-wide C.180-meter-wide D.18-meter-wide
( )9.______ of them has arrived yet.So I’m afraid that the meeting must be held next
time.
A.All B.None C.Each D.Either
( )10.If you __________ very careful,you will fail the game.
A.don’t be B.won’t be C.aren’t D.are