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【判断题】
电动机铭牌上标注的额定功率是指电动机输出的机械功率。()
A.
正确
B.
错误
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参考答案:
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】Many old houses are being pulled down to make for the apartment buildings .
A.
. room
B.
. ground
C.
. space
D.
. area
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【单选题】急性粒细胞白血病与急性淋巴细胞白血病鉴別要点是
A.
前者多有高热,感染出血
B.
前者白细胞计数较高,多在300x 109/L以上
C.
前者周围血中淋巴细胞减少
D.
者骨髄增生多极度活跃
E.
者原始细胞POX染色阳性
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
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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】阅读理解 Being thir has certain problems that only another thir-year-old would understand. The biggest, I think, is learning to get along well with s. I have found that when dealing with grow...
查看完整题目与答案
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】Many old houses are being pulled down to make for the apartment buildings .
A.
. room
B.
. ground
C.
. space
D.
. area
查看完整题目与答案
【单选题】急性粒细胞白血病与急性淋巴细胞白血病鉴別要点是
A.
前者多有高热,感染出血
B.
前者白细胞计数较高,多在300x 109/L以上
C.
前者周围血中淋巴细胞减少
D.
者骨髄增生多极度活跃
E.
者原始细胞POX染色阳性
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】阅读理解 Being thir has certain problems that only another thir-year-old would understand. The biggest, I think, is learning to get along well with s. I have found that when dealing with grow...
查看完整题目与答案
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