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【单选题】
()是以提高煤炭纯度为目的的加工形式A.
除矸加工
B.
煤浆加工
C.
配煤加工
D.
精制加工
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反馈参考答案：
举一反三
【多选题】When choosing a general topic, the principles we need to follow include
A.
Choose a topic that has never been studied before.
B.
Choose a topic that we are interested in and know something about.
C.
Choose a proper title.
D.
Choose a topic on which we can find sufficient materials.
E.
Choose a topic which is within our capability.
【简答题】principles to follow in enrolling talents in higher education institutions
【简答题】化学试剂按照纯度的可以分为 、 、 、 。
【简答题】化学试剂按纯度可分为 ( )、( ) 、 ( ) 三个级别。
【多选题】Which of the following are principles to follow when designing reading activities?
A.
Helping students engage with what they are reading.
B.
Encouraging the students to respond to the content.
C.
Giving students time to read.
D.
Teaching all the background knowledge and new words.
【简答题】what are the three principles to follow when we are listening for keywords?
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