喷混凝土的工艺方法有（）。

A、Turn your radio down, Jack.

B、Would you mind turning your radio down, Jack？

C、Don’t you see I doing homework？ Turn your radio down, Jack.

D、I hate your loud music, turn it down.

It is ______ of you to turn down the radio while your sister is still iii in bed.

A．considerable

B．considerate

C．concerned

D．careful

You don't have to install this radio in your new car; it's an ______ extra.

A．excessive

B．optional

C．additional

D．arbitrary

—Is your watch right？—I think so.I set it the radio this morning.

A.to

B.of

C.by

D.through

You don't have to install this radio in your new car. It's an ______ extra.

A．excessive

B．optional

C．additional

D．arbitrary

Your sister is sleeping. Could you ______ the radio？

A．turn on

B．turn off

C．turn over

Your sister is sleeping. Could you ______ the radio？

A．turn on

B．turn off

C．turn over

It is ______ of you to turn down the radio while your sister is still in bed.

A．considerable

B．considerate

C．concerned

D．careful

—Victor, your radio is too loud.Your partner is writing her composition

—Sorry, Miss Gao.I’ll turn it _____a little

A.on

B.up

C.off

D.down

For all the latest pop music, tune ______ your favorite radio station.

A．on at

B．in to

C．up with

D．along for