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【判断题】
具有重要工业意义的催化剂按所催化的反应，大体上可分为碱性催化剂和酸性催化剂。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What is the greatest advantage of the woman’s flat?A.Its size.B.Its condition.###
A.
What is the greatest advantage of the woman’s flat? A.Its size.
B.
Its condition.
C.
Its location.
【简答题】有部分同学在第一次提交作业时候,没有正确提交附件,所以特再做一个测试,不能正常提交附件的同学再上传一个图片或者Word看看,是不是能够正常提交作业
【单选题】Although I spoke to her many times , she never took any ___ of what I said.
A.
notice
B.
observation
C.
remark
D.
attention
【简答题】补全对话。 A. I admire Midori. B. Do you have any of her CDs? C. My grandmother is outgoing. D. When she was eight, she was already a talented violinist. E. She's a famous violinist. F. Have you ever bough...
【简答题】试述参与咀嚼运动的肌及其作用。
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