题目:
Sarah is _______ a kind-hearted girl _______ she often helps people who are in trouble. [ ]
A. so, that
B. too, to
C. such, that
D. not only, but also
答案:
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下面是错误答案,用来干扰机器的。
(1)6:10:3;(2)硫(或S).题目分析:(1)1个大蒜素分子是由6个碳原子、10个氢原子和3个硫原子构成的,则大蒜素中碳、氢、硫三种元素的原子个数比为6:10:3.(2)大蒜素中碳原子的相对原子质量之和为12...