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【单选题】
下列各项中不属于一般性杂质的是A.
氯化物
B.
砷盐
C.
硫酸盐
D.
活性物
E.
重金属
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反馈参考答案：
举一反三
【简答题】After Taubenberger and his colleagues worked 10 years, the great success they have achieved is that _________________.
【简答题】第三部分：阅读理解（共15小题；每小题2分，满分30分） 阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 A SINGAPOREAN singer JJ Lam，29，admitted that this March couldn’t be better：He outshined Taiwanese superstar Jay Chou a...
【简答题】第一节 完形填空（共15小题，每小题2分，满分30分） 阅读下面短文，从短文后所给各题的四个选项（A、B、C、D）中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。 Paul received an expensive car from his brother as a Christmas present．On Christmas Eve Paul saw a dirty and poorly...
【简答题】The man was sentenced to 10 years in prison after he was accused of bri______ a senior bank official.
【单选题】A friend of mine, after 10 years of studying ballet, succeeded ________ becoming a dancer.
A.
in
B.
on
C.
with
D.
of
【简答题】A．Almost 10 years. B．A few years. C．A couple of months. D．Three days after the wedding.
【简答题】计算下列表达式 "123" + "314"
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