既能与Tollens试剂作用,又能与NaHCO3作用的是:………………….... ......…()
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临床上酮体是指什么?如果血液中酮体过高会使血液酸度如何变化?
When confronted with a decision and unable to believe they can find an ____(令人满意的) solution, some people remain calm by resorting to wishful thinking or daydreaming.
A second flaw in the way people cope with decisions is defensive ____(逃避).
Ignorance about one's career is not ____(无上幸福); reason is better than chance and fate.