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【多选题】
合成题:由苯 为原料合成 ( 其他试剂任选 ) :
A.
苯环的硝化反应：混酸
B.
苄基氯的亲核取代反应：NaCN+乙醇
C.
苯的氯甲基化，甲醛+浓盐酸，氯化锌，加热
D.
苯环的卤代反应：液溴+Fe
E.
苯的烷基化反应：二氯甲烷+无水三氯化铝
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参考答案：
举一反三
【单选题】Which of the following statement is TRUE?
A.
“It’s possible that he ’ ll be late.” sounds more formal than “There is possibility that he’ll be late.”
B.
Nominalization can hide the object behind an action.
C.
The 4-step procedure mentioned in the video is to transform a formal sentence into a more formal one.
D.
The sentence nominalization formula consists of 4 steps, writing a simple sentence, nominalizing a main verb or adjective, adding a second verb and writing the additional information.
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【单选题】汽车离合器踏板自由行程过小或没有行程, 将会引起
A.
离合器分离不彻底
B.
离合器发抖
C.
离合器打滑
D.
离合器异响
查看完整题目与答案
【单选题】You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying se...
A.
To achieve the goal，Session Initiation Protocol （SIP） should be installed.
B.
To achieve the goal，Simple Object Access Protocol （SOAP） should be installed.
C.
To achieve the goal，Stream Control Transmission Protocol （SCTP） should be installed.
D.
To achieve the goal，RPC over HTTPS should be installed.
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【单选题】虚拟设备技术是指用 的技术。
A.
共享设备代替独占设备
B.
独占设备代替共享设备
C.
共享设备模拟独占设备
D.
独占设备模拟共享设备
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【简答题】钢管定径和 是热轧无缝钢管生产中最后的热精整变形工序。
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【判断题】由1心皮组成的复雌蕊有2条腹缝。
A.
正确
B.
错误
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【单选题】虚拟设备技术是指用( )的技术。
A.
共享设备代替独占设备
B.
独占设备代替共享设备
C.
共享设备模拟独占设备
D.
独占设备模拟共享设备操作系统
查看完整题目与答案
【单选题】What does it mean to have a _id:0 within our query statement?
A.
Tell MongoDB not to return a document id.
B.
Grab the first object in the results.
C.
Does not have an effect, simple convention left for compatibility issues.
D.
Grab as many objects as possible.
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【判断题】喷出岩中,安山岩往往是裂隙式喷发的产物。
A.
正确
B.
错误
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【多选题】According to the professor, what principles did Arthur Wesley Dow emphosize in his art classes? Click on 2 answers.
A.
Focusing on simple forms
B.
Using color to reveal the essence of an object
C.
separating a form from its natural surroundings
D.
exaggerating the size of a form
查看完整题目与答案
相关题目：
【单选题】Which of the following statement is TRUE?
A.
“It’s possible that he ’ ll be late.” sounds more formal than “There is possibility that he’ll be late.”
B.
Nominalization can hide the object behind an action.
C.
The 4-step procedure mentioned in the video is to transform a formal sentence into a more formal one.
D.
The sentence nominalization formula consists of 4 steps, writing a simple sentence, nominalizing a main verb or adjective, adding a second verb and writing the additional information.
查看完整题目与答案
【单选题】汽车离合器踏板自由行程过小或没有行程, 将会引起
A.
离合器分离不彻底
B.
离合器发抖
C.
离合器打滑
D.
离合器异响
查看完整题目与答案
【单选题】You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying se...
A.
To achieve the goal，Session Initiation Protocol （SIP） should be installed.
B.
To achieve the goal，Simple Object Access Protocol （SOAP） should be installed.
C.
To achieve the goal，Stream Control Transmission Protocol （SCTP） should be installed.
D.
To achieve the goal，RPC over HTTPS should be installed.
查看完整题目与答案
【单选题】虚拟设备技术是指用 的技术。
A.
共享设备代替独占设备
B.
独占设备代替共享设备
C.
共享设备模拟独占设备
D.
独占设备模拟共享设备
查看完整题目与答案
【简答题】钢管定径和 是热轧无缝钢管生产中最后的热精整变形工序。
查看完整题目与答案
【判断题】由1心皮组成的复雌蕊有2条腹缝。
A.
正确
B.
错误
查看完整题目与答案
【单选题】虚拟设备技术是指用( )的技术。
A.
共享设备代替独占设备
B.
独占设备代替共享设备
C.
共享设备模拟独占设备
D.
独占设备模拟共享设备操作系统
查看完整题目与答案
【单选题】What does it mean to have a _id:0 within our query statement?
A.
Tell MongoDB not to return a document id.
B.
Grab the first object in the results.
C.
Does not have an effect, simple convention left for compatibility issues.
D.
Grab as many objects as possible.
查看完整题目与答案
【判断题】喷出岩中,安山岩往往是裂隙式喷发的产物。
A.
正确
B.
错误
查看完整题目与答案
【多选题】According to the professor, what principles did Arthur Wesley Dow emphosize in his art classes? Click on 2 answers.
A.
Focusing on simple forms
B.
Using color to reveal the essence of an object
C.
separating a form from its natural surroundings
D.
exaggerating the size of a form
查看完整题目与答案
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