大蒜是常见的调味品之一,大蒜中主要成分大蒜素具有消毒杀菌作用。大蒜素的化学式为C 6 H 10 S 3 ,下列说法不正确的是( )
A.
大蒜素属于有机化合物
B.
大蒜素由碳、氢、硫三种元素组成
C.
大蒜素中碳、氢、硫三种元素的质量比为6:lO:3
D.
大蒜素的一个分子中含有19个原子核
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【简答题】President Barack Obama nominated (提名) Utah governor Jon Huntsman as ambassador (大使) to China on May 16. Huntsman, 49, is the son of a Utah multimillionaire (千万富翁). He served as ambassador to Singapore...
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A.
American teenagers are spending whatever they can instead of putting aside the money they make.
B.
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C.
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D.
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