[单项选择]The economy grew at its fastest rate since 1980 owing to a boom in world trade.（）
A. a birth
B. an improvement
C. a beginning
D. an increase

[单项选择]The economy grew at its fastest rate since 1980 owing to a boom in world trade.（）
A. a birth
B. an improvement
C. a beginning
D. an increase

[单项选择]The each revolves both round the sun and on its own axis.
A. resolves
B. involves
C. evolves
D. rotates

[单项选择]

Text 3
Since USAID began its first HIV/AIDS prevention efforts eight years ago, the epidemic has changed dramatically. HIV has spread to every region of the world. Millions of people infected with HIV during the first decade of the epidemic are developing opportunistic infections and other AIDS-related illnesses, and many are dying. Women and children are among those most vulnerable to HIV infection. As HIV prevalence and AIDS mortality soar, millions of children will lose their parents.
HIV/AIDS is having a devastating impact on the health and well-being of families, communities and nations worldwide. The epidemic’s effects on the structure of societies and the productivity of their members undermine efforts to promote sustainable development around the globe. USAID’ s approach to slowing the spread of HIV/AIDS relies on strategies tested and refined over the past eight years. At the same time, the Agency is moving forward to address new challe
A. proves that the epidemic has been spreading very fast over the past eight years
B. implies that the USAID was not very successful in the past eight years
C. shows that the epidemic has spread too fast to be controlled over the past eight years
D. explains that the epidemic has been controlled

[单项选择]Why has Jazz changed many times since its formation


A. Because it wants to add something new.
B. Because it is too energetic.
C. Because it wants to keep up with the time.
D. Because its form, style and tempo are outdate

[单项选择]The house has remained ______ since its owner left for a foreign country four years ago.
A. ruined
B. haunted
C. uninhabited
D. locked

[单项选择]Beijing has cut its birth-rate （）almost 60 percent in the past 20 years.


A. to
B. by
C. for
D. with

[单项选择]Beijing has cut its birth-rate _________ almost 60 percent in the past 20 years.
A. to
B. by
C. for
D. with

[单项选择]The birth rate in a city ______ to fall as its gross domestic product (GDP) rises steadily.
A. estimates
B. anticipates
C. assumes
D. tends

[单项选择]Since our house was built 6 years ago its ______ are in need of repairing.


A. rooves
B. roof
C. roofes
D. roofs

[单项选择]The birth rate in a city ________ to fall as its gross domestic product (GDP) rises steadily.
A. estimates
B. anticipates
C. assumes
D. tends

[单项选择]In ancient times empires and civilizations grew up near ______.


A. nature
B. dams
C. rivers
D. buildings