单项选择题

People in the third world countries are now facing a serious problem that ______.

A．infectious diseases are becoming big killers
B．more people are becoming the victim of cancer
C．smallpox and typhoid are spreading widely
D．some middle- and old-aged people are getting sick easily

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问答题

假设你叫王丽，是某大学学生。暑假期间你和你的同学由旅行社安排到五夷山旅游。你们所得到的服务，如导游、住宿条件以及饮食等均与广告不符。为此，你很恼火，特写信给旅行社经理就以上情况进行投诉并希望该旅行社能够返还部分费用并改进服务。A Complaint to the Manager

单项选择题

If the lifestyle of the rich were prevalent in the third world, what would happen there

A．More cancer cases would be found among the local people.
B．Improved nourishment would reduce the risks of falling a victim to cancer.
C．The consumption of tobacco would be decreased a lot.
D．More and more people would give up smoking.