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【简答题】
( )海关区域通关一体化业务量居全国五大通关一体化板块之首。通关一体化改革与通关无纸化、多式联运、电子放行等举措叠加，极大降低了企业综合通关物流成本。 A.丝绸之路经济带 B.京津冀 C.长江经济带 D.东北地区
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举一反三
【单选题】Which of the followings is NOT the topic of the meetings between the two presidents?
A.
Nuclear weapons.
B.
Terrorism.
C.
Illegal drugs.
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【单选题】Choose the option which is not the benefit of studying abroad according to the two readings.
A.
It is acompletely different style of learning, and very much focused on class participation.
B.
The diversityof the student body.
C.
The chance to explore the host country or continent.
D.
High costs of the tuition and the living expenses.
查看完整题目与答案
【单选题】下列有关 的说法中不正确的是 [     ]
A.
该有机物能发生水解反应
B.
该有机物的化学式为C 19 H 18 N 3 O 2
C.
该有机物不能发生消去反应
D.
该有机物既能与溴水反应，又能与碳酸钠溶液反应
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【单选题】下列指令中可用于工件坐标系建立的是( )
A.
G52
B.
G53
C.
G54
D.
G50
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【单选题】下列有机物中，在不同条件下，既能发生水解反应和消去反应，又能发生酯化反应并能与金属钠反应放出氢气的是(       )
A.
只有②
B.
只有①②
C.
只有②③
D.
只有①②③
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【单选题】Which of the following is NOT the common feature of eBay and the two new services, WhipCar and RelayRides?
A.
The feasibility of their service is/was doubted of.
B.
All of them serve as an intermediary.
C.
All of them offer auction services.
D.
All of them are operated online.
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【单选题】Which is not true about the two families in the text?
A.
They are all very poor.
B.
Each family has four kids.
C.
They live in two cottages.
D.
They often fight with each other.
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【单选题】Which of the following is NOT the celebration of the two special days?
A.
Wearing carnations.
B.
Cleaning parents' house.
C.
Visiting the cemetery.
D.
Gathering at home.
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【单选题】下列有机物中，不能发生水解的是 A.CH 3 COOCH 3 B. CH 3 CONH 2 C. CH 3 COOH D.A、B、C均不能
A.
CH 3 COOCH 3
B.
CH 3 CONH 2
C.
CH 3 COOH
D.
A、B、C均不能
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【判断题】可测集的子集不可测。
A.
正确
B.
错误
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相关题目：
【单选题】Which of the followings is NOT the topic of the meetings between the two presidents?
A.
Nuclear weapons.
B.
Terrorism.
C.
Illegal drugs.
查看完整题目与答案
【单选题】Choose the option which is not the benefit of studying abroad according to the two readings.
A.
It is acompletely different style of learning, and very much focused on class participation.
B.
The diversityof the student body.
C.
The chance to explore the host country or continent.
D.
High costs of the tuition and the living expenses.
查看完整题目与答案
【单选题】下列有关 的说法中不正确的是 [     ]
A.
该有机物能发生水解反应
B.
该有机物的化学式为C 19 H 18 N 3 O 2
C.
该有机物不能发生消去反应
D.
该有机物既能与溴水反应，又能与碳酸钠溶液反应
查看完整题目与答案
【单选题】下列指令中可用于工件坐标系建立的是( )
A.
G52
B.
G53
C.
G54
D.
G50
查看完整题目与答案
【单选题】下列有机物中，在不同条件下，既能发生水解反应和消去反应，又能发生酯化反应并能与金属钠反应放出氢气的是(       )
A.
只有②
B.
只有①②
C.
只有②③
D.
只有①②③
查看完整题目与答案
【单选题】Which of the following is NOT the common feature of eBay and the two new services, WhipCar and RelayRides?
A.
The feasibility of their service is/was doubted of.
B.
All of them serve as an intermediary.
C.
All of them offer auction services.
D.
All of them are operated online.
查看完整题目与答案
【单选题】Which is not true about the two families in the text?
A.
They are all very poor.
B.
Each family has four kids.
C.
They live in two cottages.
D.
They often fight with each other.
查看完整题目与答案
【单选题】Which of the following is NOT the celebration of the two special days?
A.
Wearing carnations.
B.
Cleaning parents' house.
C.
Visiting the cemetery.
D.
Gathering at home.
查看完整题目与答案
【单选题】下列有机物中，不能发生水解的是 A.CH 3 COOCH 3 B. CH 3 CONH 2 C. CH 3 COOH D.A、B、C均不能
A.
CH 3 COOCH 3
B.
CH 3 CONH 2
C.
CH 3 COOH
D.
A、B、C均不能
查看完整题目与答案
【判断题】可测集的子集不可测。
A.
正确
B.
错误
查看完整题目与答案