单项选择题

Question 27 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question. Now listen to the news.

A．air traffic problems
B．safety improvement
C．the number of flights
D．flight training courses
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单项选择题
Question 23 is based on the following news. At the end of the news item, you will,be given 5 seconds to answer the question.Now listen to the news.
A．Japanese auto makers promised to stop dumping cars in the U.S.
B．the government promised to solve the U. S.-Japan trade imbalance
C．three U.S. companies have ended the U. S.-Japan trade imbalance
D．Japan agreed to sell cars at the agreed prices inside the U. S.
单项选择题
Of the four groups of students, who scored the lowest in maths according to the survey
A．Students from America.
B．Students from England.
C．Students from Australia.
D．Students from Japan.
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