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【多选题】
防腐剂的作用机制有?
A.
使病原微生物蛋白质变性
B.
影响微生物新陈代谢
C.
改变胞浆膜通透性
D.
增强机体对病原微生物的免疫力
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【判断题】Edinburgh, the capital of Scotland, is Scotland's second largest city.
A.
正确
B.
错误
【单选题】—Is it your pen? — No,It__________ Kate.
A.
is belonging to
B.
is belonged to
C.
belong to
D.
may belong to
【单选题】Since the journey from England to Scotland is quite long, it's good to ______ .
A.
drive all the way
B.
have a companion
C.
take an extra wheel
D.
pick up a friend
【简答题】阅读理解。 Edinburgh is one of Scotland's two big cities, the capital. It is affectionately known and has enormous historical significance. Situated on the east coast of Scotland, Edinburgh proudly offers ...
【单选题】疏松结缔组织的基本结构是( )
A.
由细胞和纤维构成
B.
由细胞和基质构成
C.
由细胞、纤维和基质构成
D.
由纤维细胞和细胞间质构成
【单选题】牙周病的医源性因素应除外
A.
桥及银汞充填的悬突边缘
B.
畸矫治器的佩戴
C.
复体的外形突度过大
D.
牙邻面均有充填体
E.
牙的咬合负担过大
【简答题】根据句意及汉语提示填空 1. I really enjoy the music. It sounds so _______(令人愉快). 2. I felt very _______(难过), because he hurt my dog. 3. Here's some _______(有用的) information about travel in Canada. 4. —Do you wash...
【判断题】触发器可以被用户调用
A.
正确
B.
错误
【单选题】牙周病的医源性因素应除外()
A.
冠桥及银汞充填的悬突边缘
B.
正畸矫治器过于伸入龈下
C.
过凸的修复体外形
D.
两牙邻面均有充填体
E.
基牙的咬合负担过大
【单选题】Scotland's rampant is a ____.
A.
Lion
B.
Dragon
C.
Unicorn
D.
Blue
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