正确答案是（）
A. anyway
B. though
C. instead
D. therefore
According to the passage, the work of "Youth Summit" refers to
A. visits to the Nixon Library.
B. the Chinese students' visit to the U.S.
C. a meeting discussing relations between China and the U.S.
D. activities to strengthen the ties between the Chinese and American students.
Jules Verne's descriptions about future inventions were
A. often correct.
B. totally accurate.
C. entirely wrong.
D. merely fairy stories.
正确答案是（）
A. above
B. unlike
C. excluding
D. besides
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