皮皮学，免费搜题
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搜题
【单选题】
用银量法测定溴化物最好用的指示剂是
A.
溴酚蓝
B.
曙红
C.
荧光黄
D.
二甲基二碘荧光黄
E.
铁按矾
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】正常成人安静时收缩压为（）毫米汞柱。
A.
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B.
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C.
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D.
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A.
3，3，0，+1／2
B.
2，1，-1，+1／2
C.
3，1，1，-1／2
D.
4，3，-3，-1／2
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A.
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B.
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C.
对称因素
D.
苯环
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【简答题】Listening Exercises : (上面的音频8-1-1) C. Listento the conversations between guests and hotel employees. Match the guests with their room numbers and problems. (Please write down the room number and the ...
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【简答题】小麦蛋白质可按它们的溶解度分为清蛋白、球蛋白、_______、_______。
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查看完整题目与答案
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