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【单选题】
在一般情况下,卤代烃的消除反应遵循( )
A.
saytzeff规则
B.
规则
C.
休克尔规则
D.
洪特规则
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知识点:
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皮皮学刷刷变学霸
举一反三
【单选题】肌内注射给药的外文缩写是( )
A.
im.
B.
H.
C.
iv.
D.
iv gtt.
E.
po.
【单选题】肌内注射给药的外文缩写是 A.im B.H C.1V D.iv gtt E.po
A.
肌内注射给药的外文缩写是 A.im
B.
H
C.
1V
D.
iv gtt
E.
po
【单选题】How does a distributed infrastructure improve performance?
A.
By storing the same application in two or more locations
B.
By assigning its processing activity to one specific location
C.
By creating information silos in disparate locations
D.
By partitioning an IT system into different tiers
【单选题】桥区水域的航行环境特点包括()。1可航水域受限;2船舶交通密集;3水流复杂多变,桥墩可能引起壅水、漩涡;4操纵难度和风险较大。
A.
①②③
B.
②③④
C.
①③④
D.
①②③④
【简答题】How does the band the Rolling Stones get its name? Lesson 5
【单选题】下列化合物,遇FeCl 3 显紫色的是( )
A.
乙醇
B.
甘油
C.
苯甲醇
D.
对甲苯酚
【单选题】______it left to me to decide,I would not hesitate to prefer the first proposal.
A.
If
B.
Were
C.
Had
D.
Should
【简答题】判断以下电路中是否存在交流反馈?若存在,则指出反馈网络,继续判断反馈类型和反馈极性,并给出判断过程的说明。
【判断题】报告标题可只用“报告”两字。
A.
正确
B.
错误
【单选题】______ it left to me to decide, I would not hesitate to prefer the first proposal.
A.
Had
B.
Should
C.
Were
D.
If
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