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【单选题】
下列药材的来源植物属于毛茛科的为
A.
黄芪
B.
黄连
C.
D.
黄芩
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参考答案：
举一反三
【单选题】语音识别主要包含以下四方面的功能:声纹识别、内容识别、()语音标准识别。
A.
语调识别
B.
音频识别
C.
语速识别
D.
语种识别
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【单选题】现代高科技的三大支柱不包括的是( )
A.
生物技术
B.
信息技术
C.
材料技术
D.
太空技术
查看完整题目与答案
【判断题】理想电流源的内阻为零。
A.
正确
B.
错误
查看完整题目与答案
【单选题】釉质中羟磷灰石晶体的分子式是
A.
Ca6(PO4)2(OH)10
B.
Ca4(PO4)6(OH)10
C.
Ca6(PO4)10(OH)2
D.
Ca10(PO4)6(OH)2
E.
Ca110(PO4)2(OH)6
查看完整题目与答案
【单选题】H2PO4-的共轭碱是:( )。
A.
H3PO4
B.
HPO42-
C.
PO43-
D.
OH-
查看完整题目与答案
【单选题】已知NaH 2 PO 4 溶液呈酸性，在水溶液中存在如下水解平衡：H 2 PO - 4 +H 2 O H 3 PO 4 +OH - ，现将0.1 mol·L -1 NaH 2 PO 4 溶液稀释后，增大的是(    )
A.
［H + ］
B.
［OH - ］
C.
［ ］
D.
K W
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【简答题】Po: uh oh~~ahhhh~~~~ ohhhhh~ What's going on ... Where I am ... What are you 1) ... oh ... ok ... sorry ... I just wanted to see who the dragon warrior was. Wugui: How interesting tigeree: are ...
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【单选题】釉质中羟磷灰石晶体的分子式是
A.
Ca6(PO4)2(OH)10
B.
Ca2(PO4)6(OH)10
C.
Ca6(PO4)10(OH)2
D.
Ca10(PO4)6(OH)2
E.
Ca10(PO4)2(OH)6
查看完整题目与答案
【单选题】听力原文：W: Oh, Professor Jackson, I was wondering well, Oh,...well, if uh...if you have a chance yet to look at my thesis proposal． M: Well, I know you gave it to me over a week ago, but to be honest, I ...
A.
He means that he didn't know the thesis proposal.
B.
He means that he hasn't have time to read the proposal.
C.
He means that he will not help her read the proposal.
D.
He means that she'd have given it to him earlier.
查看完整题目与答案
【单选题】听力原文：G Hi there! Uh, looking for some help? S Oh! Yeah, I uh ... was just wandering around the campus trying to get acquainted with it. G Well, I can give you some information if you would like. Im a ...
A.
To invite him to a football game.
B.
To see if he has any questions.
C.
To ask if he would like to be a guide.
D.
To ask the student for directions.
查看完整题目与答案
相关题目：
【单选题】语音识别主要包含以下四方面的功能:声纹识别、内容识别、()语音标准识别。
A.
语调识别
B.
音频识别
C.
语速识别
D.
语种识别
查看完整题目与答案
【单选题】现代高科技的三大支柱不包括的是( )
A.
生物技术
B.
信息技术
C.
材料技术
D.
太空技术
查看完整题目与答案
【判断题】理想电流源的内阻为零。
A.
正确
B.
错误
查看完整题目与答案
【单选题】釉质中羟磷灰石晶体的分子式是
A.
Ca6(PO4)2(OH)10
B.
Ca4(PO4)6(OH)10
C.
Ca6(PO4)10(OH)2
D.
Ca10(PO4)6(OH)2
E.
Ca110(PO4)2(OH)6
查看完整题目与答案
【单选题】H2PO4-的共轭碱是:( )。
A.
H3PO4
B.
HPO42-
C.
PO43-
D.
OH-
查看完整题目与答案
【单选题】已知NaH 2 PO 4 溶液呈酸性，在水溶液中存在如下水解平衡：H 2 PO - 4 +H 2 O H 3 PO 4 +OH - ，现将0.1 mol·L -1 NaH 2 PO 4 溶液稀释后，增大的是(    )
A.
［H + ］
B.
［OH - ］
C.
［ ］
D.
K W
查看完整题目与答案
【简答题】Po: uh oh~~ahhhh~~~~ ohhhhh~ What's going on ... Where I am ... What are you 1) ... oh ... ok ... sorry ... I just wanted to see who the dragon warrior was. Wugui: How interesting tigeree: are ...
查看完整题目与答案
【单选题】釉质中羟磷灰石晶体的分子式是
A.
Ca6(PO4)2(OH)10
B.
Ca2(PO4)6(OH)10
C.
Ca6(PO4)10(OH)2
D.
Ca10(PO4)6(OH)2
E.
Ca10(PO4)2(OH)6
查看完整题目与答案
【单选题】听力原文：W: Oh, Professor Jackson, I was wondering well, Oh,...well, if uh...if you have a chance yet to look at my thesis proposal． M: Well, I know you gave it to me over a week ago, but to be honest, I ...
A.
He means that he didn't know the thesis proposal.
B.
He means that he hasn't have time to read the proposal.
C.
He means that he will not help her read the proposal.
D.
He means that she'd have given it to him earlier.
查看完整题目与答案
【单选题】听力原文：G Hi there! Uh, looking for some help? S Oh! Yeah, I uh ... was just wandering around the campus trying to get acquainted with it. G Well, I can give you some information if you would like. Im a ...
A.
To invite him to a football game.
B.
To see if he has any questions.
C.
To ask if he would like to be a guide.
D.
To ask the student for directions.
查看完整题目与答案
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