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【简答题】
以塑料为滤料时,滤层厚度可达 m 。工作层滤料的粒径应为 mm ,厚度在 m ,承托层的粒径为 mm ,厚度为 m ;当滤层厚大于 m ,一般应采用 。
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举一反三
【简答题】People read and borrow books here.
【单选题】' Two Butterflies' was one of _____ songs of 2005. [ ]
A.
popular
B.
more popular
C.
popularest
D.
the most popular
【简答题】People who borrow other people’s have a responsibility to return those things to them in good condition.
【单选题】结合案例，你认为Z公司的价值主张需要哪些关键业务?在以下选项中，选出你认为最重要或最优先的一个答案。
A.
高标准的食材
B.
研发能力
C.
有粘性的客户资源
D.
资金
【单选题】Michael Jackson and his songs ______ are famous in the United States are also very popular in many other countries in the world.
A.
who
B.
that
C.
which
D.
those
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