单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read the questions 17-20. Where is the second test carried out

A．In the air.
B．On the airfield.
C．Under water.
D．At the plane manufacturing factory.
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In what year did Pliny pay a visit to his uncle’s house in Pompeii
单项选择题
When-did Ali announce that he had become a Black Muslim
A．He announced that he had become a Black Muslim after defeating Liston in a championship fight.
B．He announced that he had become a Black Muslim while he was still an amateur boxer.
C．He announced that he had become a Black Muslim after the Vietnam War.
D．He announced that he had become a Black Muslim when he retired form boxing in 1980.
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