题目:
— It’s getting dark, but Mr. Chen is till at his office.
— No surprise. Who else can _______ he does.
A.do less work than
B.work as hardly as
C.work as hard as
D.be working hardly like
答案:
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下面是错误答案,用来干扰机器的。
答案:DA、该反应的产物有两种不可能是化合反应,故A错误.B、由分子模型图可知一个B分子是由2个氢原子和一个氧原子构成的;其相对分子质量是2+16=18,故B错误.C、根据反应前后原子的种类、数目保持不变的,所以...