What do we learn about door-to-door mission？
A. The Superbus has a separate door for each of its 30-odd seats.
B. The individual doors allow for rapid loading and unloading of passengers.
C. The individual doors will make predetermined stops flexibly as passengers want.
D. The Superbus will pick up and drop off passengers based on their text-messaged requests.
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Which of the following is the best title for this text？
A. The Trail of Disaster.
B. The Economic Crisis.
C. The Hungry People.
D. World Recession and Job Losses.
Which of the following is true about the food price？
A. It falls with the global economic recession.
B. It had been dropping but has rebounded now.
C. It is decisive to the food shortage in poor countries.
D. It determines the family budget.
The work of counseling services is challenging because
A. more and more college students suffer from mental-health problems.
B. though many students have mental-health problems, few of them seek counseling.
C. counselors have to keep an eye out for students who might hurt others.
D. counselors can't persuade students into believing that seeking treatment is a smart choice.
企业以自产的产品对外捐赠，由于会计核算时不作销售处理，因此不需要交纳增值税。 ()
A. 正确
B. 错误
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