In the past decades, sea ice ________ in the Arctic as a result of global warming．

A．had melted

B．has been melting

C．melted

D．is melting

Talking with Premier Wen face to face was an unforgettable moment, ________ the low-income families always treasure．

A．it

B．that

C．what

D．one

The rich man thought money was everything and it never occurred to him that happiness might be more ________．

A．disastrous

B．invaluable

C．impressive

D．annoying

We’re all ready to put it into operation, ________ , we are going to take action as fast as possible．

A．in other words

B．on the whole

C．in general

D．in conclusion

The girl sitting by the window is the only one of the students who ________ from the countryside in our class．

A．was

B．were

C．is

D．are

Most of them know they should cut down on fat, but knowing such a thing isn't of much help when it ________ shopping and eating．

A．refers to

B．comes to

C．speaks of

D．focuses on

________ some teenagers don't realize is ________ difficult life can be after they get addicted to drugs．

A．That; what a

B．That; how

C．What; what a

D．What; how

Thousands of years ago, the chair was ________ symbol of dignity rather than an article of ________ ordinary use．

A．a; the

B．a;/

C．the; an

D．the;/

It was only with the help of the special device ________ the information．

A．did they get

B．that they got

C．will they get

D．that they will get

________ reasonable, the proposal he ________ attracted much attention．

A．Sounding; put up

B．Sounded; put through

C．Sounding; put forward

D．Sounded; put on