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Well, yea, up to a point, but we all know that there’s a right and a wrong time to quit. Para.2"up to a point" means "to some degree"
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The never-say-die spirit is best represented by the 19th century maxim.para.4The sentence means "The 19thCentury motto showed the spirit of never-giving-up."
Furthermore, Bulldogs suffered much more from long periods of stress, during which they had a higher level of a particular protein which indicates a form of inflammation liked to several serious diseases, including killers like diabetes and heart disease.The main part of the sentence is "they had a higher level of a particular protein".
The researcher indicated that accepting defeat allows the Quitters to look forward and set themselves new goals in life.The subject in the objective clause is “Quitters”.
下面的各种物体如果对光都没有透射,那么,哪种是绝对黑体?()
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