Which of the following is NOT true according to the passage？
A. The climate in recorded human history has generally remained stable.
B. The climate from about 135,000 to 115,000 years ago was in an extremely cold state.
C. The human race has been lucky to have enjoyed the most favorable period Of climate for them to build a socio-economic system.
D. The evidences scientists collected from the ice cores suggest that a civilization cannot have arisen in the period from about 135,000 to 115,000 years ago.
下列关于《水利水电工程施工质量评定表》单位工程施工质量评定表填表说明正确的是（)。A．施工单位评下列关于《水利水电工程施工质量评定表》单位工程施工质量评定表填表说明正确的是()。
A. 施工单位评定人指施工单位质检处负责人，项目经理指该项目质量责任人。若本单位工程是分包单位施工，本表应由分包单位上述人员填写和自评，分包施工单位质检处负责人和项目经理审查、签字、加盖公章
B. 监理单位复核人指负责本单位工程质量控制的监理工程师。总监理工程师：实行了监理的工程，由总监理工程师签字，未实行监理的工程由建设单位技术负责人签字
C. 质量监督机构：核定人指负责本单位工程的质量监督员。项目监督负责人指项目站长或该项目监督责任人
D. 关于原材料、中间产品、金属结构与启闭机、机电产品质量：对工程量大的工程，应计人分部工程进行质量评定，评定单位工程质量时，不再重复评定原材料、中间产品等的质量
E. 单位工程量，只填写本单位工程的主要工程量
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
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
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