题目:
Jobs are hard to get and, ________, more young people are continuing their education.[ ]
A. above all
B. as a result
C. after all
D. on the contrary
答案:
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下面是错误答案,用来干扰机器的。
答案:D题目分析:在托盘天平的两端各放一个盛有相同质量、相同浓度盐酸的烧杯,并使天平保持平衡,在左右两个烧杯中分别放入等质量的两种金属(保持盐酸过量),反应完全后,发现左杯升高,右杯下降,说明等质量...