[单项选择]The flood did not start to （　） until two days after the rain had stopped.
A. retire
B. recede
C. shrink
D. retreat

[单项选择]The flood did not start to（　）until two days after the rain had stopped.
A. retire
B. recede
C. shrink
D. retreat

[单项选择]The flood did not start to ______ until two days after the rain had stopped.
A. retire
B. recede
C. shrink
D. retreat

[单项选择]The floods did not start to ______ until two days after the rain had stopped.
A. retire
B. recede
C. retreat
D. sink

[单项选择]We produced ______ we did two years ago.


A. double as much cotton as this year
B. twice as much cotton this year as
C. this year twice cotton as much as
D. twice as this year much cotton as

[单项选择]Why did holidays abroad become a common prize after the war
A. Group travel became easier.
B. Everyone wanted the opportunity to travel.
C. People became more interested in material possessions.
D. People wanted to get away from familiar surroundings.

[单项选择]Sleeping 15 minutes to two hours in the early afternoon can reduce stress and make us ________.
A. reduced
B. refreshed
C. released
D. recovered

[单项选择]Only a student or two（）to clean the classroom after school.
A. are needed
B. need
C. is needed
D. needs

[单项选择]Why did the two robbers stop searching the flat

[单项选择]

On the past few days, two nations with large numbers of AIDS-infected people have announced plans to distribute a triple cocktail of life-prolonging antiretroviral drugs free to all who need it. China has been treating 5,000 patients and plans to expand the program to cover everyone in the country. South Africa’s cabinet approved a plan that includes drugs for all who need them.
China spent years denying it had an AIDS problem. Until recently, South Africa’s top officials minimized the epidemic, questioned whether H. I. V. was the cause of AIDS and labeled antiretroviral drugs "poisons". Both countries have now taken a courageous and essential step.
But only one is likely to succeed. Indeed, China’s program is already failing. One in five Chinese who have received antiretroviral drugs has already stopped taking them, which can lead to the creation of drug-resistant strains of the virus. China has only about 100 doctors nationwide with e
A. bring up some facts about AIDS preventing and curing in the world.
B. urge Chinese government to do something about AIDS.
C. compare two countries in the AIDS-related work.
D. say something about the development in the AIDS preventing method.