单项选择题

We shall probably never be able to ______ the exact nature of these sub-atomic particles.

A．assert
B．impart
C．ascertain
D．notify
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Recently a Beijing information company did a survey of student life among more than 700 students in Beijing, Guangzhou, Xi’’an, Chengdu, Shanghai, Wuhan, Nanjing and Shenyang. The results have shown that 67 percent of students think that saving money is a good habit while the rest believe that using tomorrow’’s money today is better. What do you thinkWrite on ANSWER SHEET TWO a composition of about 200 words.You are to write in three parts.In the first part, state specifically what your opinion is.In the second part, support your opinion with appropriate details.In the last part, bring what you have written to a natural conclusion or a summary.You should supply an appropriate title for your composition.Marks will be awarded for content, organization, grammar and appropriateness.Failure to follow the instructions may result in a loss of marks.
单项选择题
A．Even ifB．BecauseC．IfD．For
A．Even if
B．Because
C．If
D．For
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