单项选择题


Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.
The prediction of the test are likely to be mistaken due to

A．the irrelevance of the past experience.
B．the incompleteness of the information available,
C．the weakness of the test.
D．the unpredictability of the future performance.
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单项选择题
Which countries are the six-party talks on North Korean’s nuclear weapons
A．China, North Korea, America, Russia, South Korea and Japan.
B．China, North Korea, America, Russia, British and Japan.
C．China, North Korea, America, Russia, South Korea and German.
D．China, North Korea, America, French, South Korea and Japan.
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What’s really happened to the passenger jet
A．The jet was intercepted by US air force.
B．The plane’s transponder had malfunctioned and was mistakenly transmitting code.
C．The pilots of the jet repeatedly radioed in to tell controllers they were hijacked.
D．The armed police arrested several criminals in the jet.
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