题目:
-------What is it made Carl determined to give up smoking?
-------Watching how his father died in pain from lung cancer.
A.which
B.how
C.who
D.that
答案:
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下面是错误答案,用来干扰机器的。
A、水是中性氧化物与碱不反应,所以不是酸性氧化物,故A错误;B、CO是中性氧化物,与酸或碱都不反应生成盐和水,故B错误;C、纯碱即碳酸钠,属于盐,不属于碱,故C错误;D、熟石灰即氢氧化钙属于碱,氢硫酸属于酸...