皮皮学，免费搜题
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【单选题】
变压器的电流速断保护与( )保护配合,以反应变压器绕组及变压器电源侧的引出线套管上的各种故障。
A.
过电流
B.
过负荷
C.
瓦斯
D.
差动保护
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】听力原文：M: Your house looks nice. What did you do to it? W: I had it painted. What did the woman do?
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She built the house.
B.
She ordered a painting for the house.
C.
She hired someone to paint the house.
D.
She hid the house.
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【单选题】听力原文：W. What did you do on your vacation? M: I did farm work in the morning, went swimming every afternoon, and visited different families in the evening. W: Sounds like you kept yourself quite busy. ...
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In a big city.
B.
On a farm.
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In a factory.
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【单选题】( )规定了大型飞机公共航空运输承运人的安全管理体系。
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《民用航空中交通管理运行单位安全管理规则》（CCAR83）
B.
《一般运行和飞规则》（CCAR91）
C.
《大型飞机公共航空运输承人行合格审定规则》（CCAR121）
D.
《民用机场运行安全管理规定》（CCAR140）
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【单选题】右图是玉米种子纵切示意图，能为玉米种子萌发提供所需营养物质的结构是
A.
①
B.
②
C.
③
D.
④
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【简答题】图中,在最右边方框内的的阿拉伯数字1、2、3等表示该箱盒的接线 ,细线表示 。
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【简答题】油菜和玉米是都我市重要的经济作物。图一和图二分别是油菜花和果实结构图，图三是玉米种子及其萌发过程示意图。请分析回答：（6分） 图一             图二                   图三 （1）“儿童急走追黄蝶，飞入菜花无处寻”，这说明生物与环境的关系是 。 （2）图二是由图一的 （填数字序号）发育而成的。 （3）图三中，玉米种子萌发时所需营养物质由 （填数字序号）提供。发育成玉米...
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【单选题】What did Selous do with regard to the development pf Zimbabwe's gold industry?
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He opened it up.
B.
He took records of it.
C.
He provided instruments for it.
D.
He negotiated with local leaders about it.
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【单选题】—Do you really know _____ at this time yesterday? — Sorry, I don't know. [     ]
A.
what did they do
B.
what they did
C.
what were they doing
D.
what they were doing
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【单选题】如图为菜豆种子和玉米种子的结构，根据图示下列哪一项叙述是正确的？（　　）
A.
甲是玉米种子结构图，将浸泡好的玉米种子从中间纵向切开，然后在剖面上滴上一滴碘液，观察发现被染成蓝色的部位是结构4
B.
乙是菜豆种子结构图，种子萌发时最先突破种皮的是结构2
C.
菜豆和玉米种子中结构1、2、3构成胚，胚是新一代植物体的幼体
D.
菜豆种子中结构6是种皮，玉米种子中结构6是果皮和种皮
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【单选题】听力原文：M: Tom's house looks nice. What did he do to it? W: He had it painted. Q: What did Tom do? (6)
A.
He ordered a painting for the house.
B.
He hired someone to paint the house.
C.
He hid in the house.
D.
He built the house.
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相关题目：
【单选题】听力原文：M: Your house looks nice. What did you do to it? W: I had it painted. What did the woman do?
A.
She built the house.
B.
She ordered a painting for the house.
C.
She hired someone to paint the house.
D.
She hid the house.
查看完整题目与答案
【单选题】听力原文：W. What did you do on your vacation? M: I did farm work in the morning, went swimming every afternoon, and visited different families in the evening. W: Sounds like you kept yourself quite busy. ...
A.
In a big city.
B.
On a farm.
C.
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查看完整题目与答案
【单选题】( )规定了大型飞机公共航空运输承运人的安全管理体系。
A.
《民用航空中交通管理运行单位安全管理规则》（CCAR83）
B.
《一般运行和飞规则》（CCAR91）
C.
《大型飞机公共航空运输承人行合格审定规则》（CCAR121）
D.
《民用机场运行安全管理规定》（CCAR140）
查看完整题目与答案
【单选题】右图是玉米种子纵切示意图，能为玉米种子萌发提供所需营养物质的结构是
A.
①
B.
②
C.
③
D.
④
查看完整题目与答案
【简答题】图中,在最右边方框内的的阿拉伯数字1、2、3等表示该箱盒的接线 ,细线表示 。
查看完整题目与答案
【简答题】油菜和玉米是都我市重要的经济作物。图一和图二分别是油菜花和果实结构图，图三是玉米种子及其萌发过程示意图。请分析回答：（6分） 图一             图二                   图三 （1）“儿童急走追黄蝶，飞入菜花无处寻”，这说明生物与环境的关系是 。 （2）图二是由图一的 （填数字序号）发育而成的。 （3）图三中，玉米种子萌发时所需营养物质由 （填数字序号）提供。发育成玉米...
查看完整题目与答案
【单选题】What did Selous do with regard to the development pf Zimbabwe's gold industry?
A.
He opened it up.
B.
He took records of it.
C.
He provided instruments for it.
D.
He negotiated with local leaders about it.
查看完整题目与答案
【单选题】—Do you really know _____ at this time yesterday? — Sorry, I don't know. [     ]
A.
what did they do
B.
what they did
C.
what were they doing
D.
what they were doing
查看完整题目与答案
【单选题】如图为菜豆种子和玉米种子的结构，根据图示下列哪一项叙述是正确的？（　　）
A.
甲是玉米种子结构图，将浸泡好的玉米种子从中间纵向切开，然后在剖面上滴上一滴碘液，观察发现被染成蓝色的部位是结构4
B.
乙是菜豆种子结构图，种子萌发时最先突破种皮的是结构2
C.
菜豆和玉米种子中结构1、2、3构成胚，胚是新一代植物体的幼体
D.
菜豆种子中结构6是种皮，玉米种子中结构6是果皮和种皮
查看完整题目与答案
【单选题】听力原文：M: Tom's house looks nice. What did he do to it? W: He had it painted. Q: What did Tom do? (6)
A.
He ordered a painting for the house.
B.
He hired someone to paint the house.
C.
He hid in the house.
D.
He built the house.
查看完整题目与答案