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【单选题】
电路如题图所示,如果已测得负载 R L 二端的电压 U L =5V ,则可以判断出开关 S 1 、 S 2 的状态是( )
A.
S 1 断开， S 2 闭合
B.
S 1 闭合， S 2 断开
C.
S 1 、 S 2 均闭合
D.
S 1 、 S 2 均断开
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】Don't put ______ into the rubbish bin. [     ]
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【简答题】阅读理解 In 1924, Hachiko was brought to Tokyo by his owner, Hidesaburo Ueno, a professor in the agriculture department at the University of Tokyo. During his owner's life Hachiko saw him off from the fro...
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【单选题】205,某企业要销售一批产品,运输产品过程中产生的运输费、装卸费应计入()
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【单选题】某企业要销售一批产品,运输产品过程中产生的运输费,装卸费应计入( )
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【简答题】Jim and Tom were eating at a restaurant（饭店）. On the table there was a cup of hot (辣 的)mustard（芥末）. Jim thought it was sweet and took a spoonful（汤匙） of it into his mouth. Tears (眼泪) ran down from his e...
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【单选题】It was that we couldn't go camping. A.so hot a day B.such hot a day C.so hot day D.such hot
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so hot a day
B.
such hot a day
C.
so hot day
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such hot
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【简答题】补全对话。从方框所给的选项中选择正确的句子补全以下对话。 (Joe is a reporter from the school radio station. He is talking to Sue who has just won the first prize in the speech contest.) Joe: Hello, Sue! Congratulations! Sue: 1 Jo...
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【单选题】205某企业要销售一批产品,运输产品过程中产生的运输费、装卸费应计入( )
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【简答题】John, a famous musician, took his priceless antique violin and played it in the crowded subway station. The music from the violin was delicately streaming throughout the whole station. However, during...
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【单选题】In our city, it’s _______ in July, but it is even _______ in August. A. hotter, hottest B. hot, hot C. hotter, hot D. hot, hotter
A.
hotter, hottest
B.
hot, hot
C.
hotter, hot
D.
hot, hotter
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【单选题】Don't put ______ into the rubbish bin. [     ]
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B.
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C.
something hot
D.
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【单选题】205某企业要销售一批产品,运输产品过程中产生的运输费、装卸费应计入( )
A.
财务费用
B.
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C.
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D.
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【简答题】John, a famous musician, took his priceless antique violin and played it in the crowded subway station. The music from the violin was delicately streaming throughout the whole station. However, during...
查看完整题目与答案
【单选题】In our city, it’s _______ in July, but it is even _______ in August. A. hotter, hottest B. hot, hot C. hotter, hot D. hot, hotter
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B.
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D.
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查看完整题目与答案