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【单选题】
关于炎症的叙述，下列哪正确的?( )A.
炎症皆对机体有利
B.
急性炎症也可出现以增生为主的病变
C.
炎症时组织肿胀为增生所致
D.
慢性炎症均由急性炎症发展而来
E.
炎症反应不会损伤机体
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【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...
【单选题】下面化合物在芳环上亲核取代反应速率顺序为
A.
Ⅰ ＞ Ⅱ ＞ Ⅲ ＞ Ⅳ
B.
Ⅳ ＞ Ⅲ ＞ Ⅱ ＞ Ⅰ
C.
Ⅰ ＞ Ⅱ ＞ Ⅳ ＞ Ⅲ
D.
Ⅲ ＞ Ⅳ ＞ Ⅱ ＞ Ⅰ
【简答题】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'...
【简答题】I asked her who her mother was, and she ______________ to a tall woman on the other side of the room.
【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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