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单项选择题

In the final writing of your synthesis, you must explain each source material clearly to your readers.()。

A.正确
B.错误
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单项选择题Proposals usually appear in three forms:practical proposals,researched policy proposals and proposal speeches.。

A.正确
B.错误

单项选择题In most countries of the world the population is increasing alarmingly.This is especially true in poor, underdeveloped countries.Overpopulation causes a considerable number of problems.意为:世界上大多数国家的人口正以惊人的速度增长。在贫穷、不发达的国家尤其如此。人口过多引起了相当多的问题。

A.正确
B.错误