[单项选择]According to a recent poll, 61 percent of American high school students admitted （　） cheating on exams at least once.
A. to
B. on
C. of
D. for

[单项选择]Passage 5 According to a recent publication of the Equal Employment Opportunity Commission, at the present rate of progress, it will take forty-three years to end job discrimination--hardly a reasonable timetable. If our goal is educational and economic equity and parity, it is then we need affirmative action to catch up. We are behind as a result of discrimination and denial of opportunity. There is one white attorney for every 680 whites, but only one black attorney for every 4,000 blacks; one white physician for every 659 whites, but only one black physician for every 5,000 blacks; and one white dentist for every 1,900 whites, but only one black dentist for every 8,400 blacks. Less than ! percent of all engineers or-of all practicing chemists is black. Cruel and uncompassionate injustice created gaps like these. We need creative justice and compassion to help us close them. Actually, in the U.S. context, "reverse discrimination" is illogical and a contradiction in t
A. because there is discrimination and denial of opportunity in the U.S.
B. if we aim at educational and economic equity and parity
C. because it will take 43 years to end job discrimination
D. when there is no reasonable timetable in the U.S.

[单项选择]According to the recent public meeting in Brisbane, what was the first step to take in order to reduce noise pollution


A. Produce quieter air conditioners.
B. Provide better sound barriers around major roads.
C. Establish a noise complaints system.
D. Make stricter laws to require owners to take responsibility for barking dogs.

[单项选择]