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A conversation with your faraway friend is useless.()..
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下列哪一种氨基酸侧链基团的pKa值最接近生理pHA.半胱氨酸B......
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Syntactically, Japanese is an isolating language.()..
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The term accent is used for less drastic difference which is restricted to variation i..
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既能与金属钠反应,又能与氢氧化钠反应,还能与碳酸钠反应的.....
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Synecdoche is NOT used in ________.A、But there is a man in my office, a Mr. H., who pros..
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