This material ______ very soft.

A. is felt 　 　　B. feels　　　 C. has felt 　 　D. feeling

A new s ______ will be set to guide this business.

—You’re selling your house and moving to one that is half its size? Are you serious?

—　　　 .

A．mean it.　　 B．That’s all right　　　　　 C．It depends　 D．You’ve got me

They were thirsty, so they went ______ something to drink.
A. looked for          B. in search for
C. found              D. in search of

(2010年濰坊檢測)With trees and grass________39.6% of the urban area，the city of Weifang has taken on a new look.

A. covered 　　　　　　　　　　　　　 B. covering

C. to be covered 　　　　　　　　　　 D. being covered

It’s really hot 　　 January in Harbin now. Better take off your coat.

A. in　 　　　　　B. during　 　　　　　　C. for　 　　　　　　D. to

—Henry doesn’t seem to be what he was.?

—No.__________so many terrible things in the war has made him more thoughtful.?

A.Seen

B.His having seen?

C.Having seen?

D.To have seen?

Only if you sleep, which is equal to turning the TV set off, 　　　 kept away from the unending cry of “You Need It! Buy It Now!”

A. you are　　　 B. ought you to be　　　 C. you will be　　　　　 D. can you be

從細(xì)胞全能性的角度看，下列敘述正確的是

A.分化程度高，具有較高的全能性　 B.分化程度低，具有較低的全能性

C.分化程度低，具有較高的全能性　 D.分化程度高低與全能性無關(guān)

I don’t smoke now, but I ____for almost ten years.　

A. ever smoked B. have ever smoked C. had ever smoked D. was ever smoking