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【简答题】
葡萄属于（）科，桃属于（）科，苹果属于（）科。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请写出发热的定义
【简答题】若离心泵的()安装高度()允许安装高度,在操作中会发生气蚀现象。
【单选题】How can people eat smart according to the speaker?
A.
Knowing what to eat.
B.
Knowing how to eat.
C.
Choosing nourishing foods.
D.
All of the above.
【简答题】填写单词。 1. His books have _______ the lives of millions of people. 2. How can I try to _______ English like a native speaker? You'd better practice more with English speaker. 3. It's our _______ to keep...
【简答题】请分别写出水分、灰分、挥发分、发热量和固定碳的项目符号?
【简答题】根据要求完成句型转换。 1. People tell me how I can get to the station. People tell me how ______ ______ ______ the station. 2. Mike didn't see anybody enter the building before ten. Nobody ______ ______ ______ _...
【简答题】若离心泵的实际安装高度（）允许安装高度，在操作中会发生气蚀现象。
【单选题】How many total valence electrons should be used when drawing the Lewis structure of ?
A.
17
B.
24
C.
28
D.
44
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