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【单选题】
变压器的绕组880匝,接在220V的交流电源上,要在副绕组得到6V电压,副绕组的匝数应是( )。
A.
48
B.
24
C.
40
D.
96
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参考答案:
举一反三
【单选题】衬纬组织的衬纬纱在双面织物的___( )___。
A.
中间且不成圈
B.
中间且前后集圈连接
C.
正面且不成圈
D.
反面且不成圈
查看完整题目与答案
【单选题】The protest began wit a small group, but then others took up the _______.
A.
wake
B.
promise
C.
refrain
D.
coin
查看完整题目与答案
【单选题】紫外 - 可见分光光度法的定量参数是( )
A.
峰面积
B.
保留时间
C.
吸光度
D.
比移值
查看完整题目与答案
【单选题】适用于各类饮料、蔬菜及其制品,以及肉、蛋类等食品中pH的测定方法是()
A.
试纸法
B.
电位法
C.
标准管比色法
D.
蒸馏法
查看完整题目与答案
【单选题】The author ________.
A.
began to think of becoming a writer at Harvard
B.
had always been successful in his writing career
C.
went to Harvard to learn to write plays
D.
worked as a newspaper man before becoming a writer
查看完整题目与答案
【判断题】现代商业美术是为现代商业服务的艺术?
A.
正确
B.
错误
查看完整题目与答案
【多选题】按照固废的管理来分,固废分为?
A.
生活垃圾
B.
工业固废
C.
危险废物
D.
农业固废
查看完整题目与答案
【单选题】The reason why the writer's car began to move from side to side is ______.
A.
there was something wrong with his car
B.
he ate apples as he drove
C.
an earthquake began to happen
D.
he drove too fast
查看完整题目与答案
【单选题】The author ______.
A.
began to think of becoming a writer at Harvard
B.
had always been successful in his writing career
C.
want to Harvard to learn to write plays
D.
worked as a newspaper man before becoming a writer
查看完整题目与答案
【单选题】关于卵巢浆液性囊腺癌的声像图描述,不正确的是
A.
多为单侧,囊壁薄而光滑
B.
囊内有弥漫性乳头状回声
C.
常伴出血坏死,囊液较混浊
D.
实性区常可见到丰富的血流信号
E.
血流频谱呈低阻型,RI≤0.4
查看完整题目与答案
相关题目:
【单选题】衬纬组织的衬纬纱在双面织物的___( )___。
A.
中间且不成圈
B.
中间且前后集圈连接
C.
正面且不成圈
D.
反面且不成圈
查看完整题目与答案
【单选题】The protest began wit a small group, but then others took up the _______.
A.
wake
B.
promise
C.
refrain
D.
coin
查看完整题目与答案
【单选题】紫外 - 可见分光光度法的定量参数是( )
A.
峰面积
B.
保留时间
C.
吸光度
D.
比移值
查看完整题目与答案
【单选题】适用于各类饮料、蔬菜及其制品,以及肉、蛋类等食品中pH的测定方法是()
A.
试纸法
B.
电位法
C.
标准管比色法
D.
蒸馏法
查看完整题目与答案
【单选题】The author ________.
A.
began to think of becoming a writer at Harvard
B.
had always been successful in his writing career
C.
went to Harvard to learn to write plays
D.
worked as a newspaper man before becoming a writer
查看完整题目与答案
【判断题】现代商业美术是为现代商业服务的艺术?
A.
正确
B.
错误
查看完整题目与答案
【多选题】按照固废的管理来分,固废分为?
A.
生活垃圾
B.
工业固废
C.
危险废物
D.
农业固废
查看完整题目与答案
【单选题】The reason why the writer's car began to move from side to side is ______.
A.
there was something wrong with his car
B.
he ate apples as he drove
C.
an earthquake began to happen
D.
he drove too fast
查看完整题目与答案
【单选题】The author ______.
A.
began to think of becoming a writer at Harvard
B.
had always been successful in his writing career
C.
want to Harvard to learn to write plays
D.
worked as a newspaper man before becoming a writer
查看完整题目与答案
【单选题】关于卵巢浆液性囊腺癌的声像图描述,不正确的是
A.
多为单侧,囊壁薄而光滑
B.
囊内有弥漫性乳头状回声
C.
常伴出血坏死,囊液较混浊
D.
实性区常可见到丰富的血流信号
E.
血流频谱呈低阻型,RI≤0.4
查看完整题目与答案
参考解析:
知识点:
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