What does the passage mainly discuss?




A.Causes of food spoilage
B.Commercial production of ice
C.Inventions that led to changes in the American diet
D.Population movements in nineteenth century

“What _______ if the earth stopped moving?”




A.happened
B.would happen
C.happens
D.will happen

_________(2)




A.all
B.most
C.mostly
D.whole

___________, the workers will stop working.




A.Unless the working conditions are improved.
B.If the working conditions are improved.
C.Unless the working conditions are not improved
D.If not the working conditions are improved.

Mary asked me___________




A.whether I would watch the football match on TV the day before.
B.whether I watched the football match on TV the day before.
C.If I had watch the football match on TV the day before.
D.whether I had watched the football match on TV the day before .

The bomb went ___________with aloud bang which could be heard all over the town.




A.on
B.up
C.off
D.over

The teacher told his students____________-laughing.




A.would stop
B.to stop
C.stop
D.stopped

She went to the bookshop__________




A.so that to buy some books.
B.in order that buy some books.
C.so as to buying some books.
D.so as to buy some books.

Books and magazines_______ around made his room very untidy.




A.that lie
B.laying
C.which lied
D.lying

We’re still debating whether or not he deserves to be promoted.




A.There was much disagreement among us as to whether he’s suitable candidate for promotion.
B.The question of whether he’s entitled to promotion has not yet been discussed.
C.His promotion will certainly cause a great deal of disagreement among us.
D.We haven’t yet come to an agreement as to if he should be promoted.