The author sets up the standard of overweight people based on the fact that
A. the number of overweight people has astonishingly increased
B. people have a different idea about their desirable weight now
C. overweight becomes a threat to people's health
D. the overweight problem has long been studied
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According to the passage, the sentence "But if the Earth— for optimum comfort" (in the 3rd paragraph) means______.
A. there is an unseen hand controlling the earth's movement
B. there is an operating manual warning people against air-conditioning in the factory
C. people should prepare operating manuals to tell workers how to get greater comfort
D. people have been enjoying the most comfortable climate in Earth's history
What can cause the disasters of gap years？
A. Intervention of parents.
B. Careful planning.
C. Good health.
D. Realistic expectation.
关于中国在世贸组织中权利义务的表述，下列哪些选项是错误的？（）A．国家专营企业的存在违反了国民待关于中国在世贸组织中权利义务的表述，下列哪些选项是错误的？（）
A. 国家专营企业的存在违反了国民待遇原则
B. 中国企业在外国反倾销调查中要证明中国受调查产业的价格或成本，要首先证明该产品在中国的市场经济条件，否则进口成员就不能使用依照中国的国内价格或成本的方法
C. 中国向国有企业提供补贴，不视为专向性补贴
D. 根据入世议定书，如果双边磋商中，一致认为中国产品的进口是市场扰乱的原因，有必要采取措施制止或补救市场干扰，中国政府应该采取这样的措施
对19世纪英国军队入侵西藏具有预见性的是()
A. 林则徐
B. 魏源
C. 姚莹
D. 徐继畲
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