单项选择题

Which of the following is not hazardous to our health

A．School.
B．Clean house.
C．The Environmental Protection Agency’s headquarters.
D．None of the above.
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单项选择题
The closure of the West Bank and Gaza Strip will ______.
A. stop up to 100,000 Arab day laborers from working inside Israel
B. allow a soldier to shoot only if he was in danger
C. authorize a soldier to open tire on anyone bearing armsD revise open-tire regulations for soldiers
单项选择题
John Spence believes that after Latin America and the Far East, ______ will be the next region for major foreign investors.
A．Uganda
B．Ivory Coast
C．Africa
D．Botswana
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