Why should governments ensure tire careful handling and recycling of the CFCs now in use
A. Because the CFCs directly damage the people's health.
Because the CFCs are poisonous chemicals.
C. Because the production of the CFCs costs a lot.
D. Because the CFCs can attack ozone by liberating atoms of chlorin
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Which of the following matches of chief city and the state it belongs to is NOT correct
A. Chicago--Illinois
B. Philadelphia--Pennsylvania
C. San Francisco--Utah
D. Houston--Texas
_______ is meant that a Conversational implicature is attached to the semantic content of what is said, not to the linguistic form.
A. Calculability
B. Cancellability
C. Non - detachability
D. Non - conventionality
Ernest Hemingway was most famous for ______.
A. The Sea and the Old Man
B. The ()id Man and tile Sea
C. A Farewell to Weapons
D. A Goodbye to Aims
每次启动Excel时，系统将自动建立一个新工作簿，文件名为( )。
A. Book.xls
Book1.xls
C. 新建.xls
D. 新建1.xls
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