皮皮学,免费搜题
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搜题
【单选题】
梳过头发的梳子能够吸引轻小物体,这个现象与以下哪个物理原理有关
A.
静电感应
B.
静电极化
C.
万有引力
D.
尖端放电
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皮皮学刷刷变学霸
举一反三
【单选题】下列基团中,属于邻、对位定位基的是( )。
A.
–COOH
B.
–NH 2
C.
–CN
D.
–CHO
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【单选题】The old man ____ down by a truck is being saved now.
A.
knocking
B.
to knock
C.
knocked
D.
being knocked
查看完整题目与答案
【单选题】下列基团中,属于邻、对位定位基的是( )
A.
–COOH
B.
–OH
C.
–NO2
D.
–CHO
查看完整题目与答案
【单选题】Some (old beautiful) Italian oil paintings (are being) (displayed) in the (exhibition hall).
A.
old beautiful
B.
are being
C.
displayed
D.
exhibition hall
查看完整题目与答案
【单选题】Don't shout at the old man.They should ____.
A.
respect
B.
be respected
C.
respected
D.
being respected
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【单选题】下列基团中,属于邻、对位定位基的是
A.
-CN
B.
-COOH
C.
-Br
D.
-NO2
查看完整题目与答案
【单选题】下列基团中,属于邻、对位定位基的是:
A.
— NH 2
B.
— NO 2
C.
— CHO
D.
— COOH
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【单选题】his old age,we didn’t invite him to climb the mountains with us. [ ]
A.
To consider
B.
Being considered
C.
Considering
D.
Considered
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【多选题】下列基团中,属于邻、对位定位基的是( )
A.
–OH
B.
–OCH 3
C.
–CHO
D.
–Cl
查看完整题目与答案
【简答题】adv. being old and therefore valuable
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相关题目:
【单选题】下列基团中,属于邻、对位定位基的是( )。
A.
–COOH
B.
–NH 2
C.
–CN
D.
–CHO
查看完整题目与答案
【单选题】The old man ____ down by a truck is being saved now.
A.
knocking
B.
to knock
C.
knocked
D.
being knocked
查看完整题目与答案
【单选题】下列基团中,属于邻、对位定位基的是( )
A.
–COOH
B.
–OH
C.
–NO2
D.
–CHO
查看完整题目与答案
【单选题】Some (old beautiful) Italian oil paintings (are being) (displayed) in the (exhibition hall).
A.
old beautiful
B.
are being
C.
displayed
D.
exhibition hall
查看完整题目与答案
【单选题】Don't shout at the old man.They should ____.
A.
respect
B.
be respected
C.
respected
D.
being respected
查看完整题目与答案
【单选题】下列基团中,属于邻、对位定位基的是
A.
-CN
B.
-COOH
C.
-Br
D.
-NO2
查看完整题目与答案
【单选题】下列基团中,属于邻、对位定位基的是:
A.
— NH 2
B.
— NO 2
C.
— CHO
D.
— COOH
查看完整题目与答案
【单选题】his old age,we didn’t invite him to climb the mountains with us. [ ]
A.
To consider
B.
Being considered
C.
Considering
D.
Considered
查看完整题目与答案
【多选题】下列基团中,属于邻、对位定位基的是( )
A.
–OH
B.
–OCH 3
C.
–CHO
D.
–Cl
查看完整题目与答案
【简答题】adv. being old and therefore valuable
查看完整题目与答案