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【单选题】
( )是炼钢的最主要反应
A.
脱碳
B.
脱氧
C.
脱硫
D.
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【单选题】少泽穴位于( )末节( )侧,距指甲角0.1寸。
A.
足大趾,内
B.
食指,桡
C.
小指,尺
D.
大拇指,桡
E.
小指,桡
【单选题】下面化合物在芳环上的氯原子上发生亲核取代反应速率的活性顺序为 图片7.png
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【单选题】下面化合物在芳环上亲核取代反应速率顺序为 图片7.png
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【单选题】下面化合物在芳环上的氯原子上发生亲核取代反应速率的活性顺序为
A.
Ⅰ > Ⅱ > Ⅲ > Ⅳ
B.
Ⅳ > Ⅲ > Ⅱ > Ⅰ
C.
Ⅰ > Ⅱ > Ⅳ > Ⅲ
D.
Ⅲ > Ⅳ > Ⅱ > Ⅰ
【简答题】1 1. Complete the sentences with words or expressions from the boxes. turned to, pointed, at the end of, looked up, recognize, took his place 1. I _____________ my friend and asked her if she could ...
【简答题】用下列单词词组填空 turned to pointed at the end of looked up recognize took his place 1. I _____________ my friend and asked her if she could lend me some money. 2. You’re going on holi...
【简答题】Complete the sentences with words or expressions below: turned to, pointed, at the end of, looked up, recognize, took his place I ________ my friend and asked her if she could lend me some money. You'...
【单选题】足拇趾末节内侧距指甲角0.1寸。
A.
隐白
B.
太白
C.
公孙
D.
三阴交
E.
地机
【简答题】试述健康-疾病连续相模式的内容。
【简答题】1. Complete the sentences with words or expressions from the boxes. turned to, pointed, at the end of, looked up, recognize, took his place 1. I _____________ my friend and asked her if she could le...
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