皮皮学，免费搜题
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【单选题】
【共用题干】停胶囊
A.
不宜与鞣酸蛋白合用
B.
1岁以下婴儿、孕妇和哺乳期妇女不宜使用，肝功能不良者忌用。
C.
每次1～2ｇ，1日3次，空腹服。
D.
次1片，疼痛。
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皮皮学刷刷变学霸
举一反三
【单选题】变压器过励磁保护是按磁密度正比于（）原理实现的。
A.
电压U与频率f乘积；
B.
电压U与频率f的比值；
C.
电压U与绕组线圈匝数N的比值；
D.
电压U与绕组线圈匝数N的乘积。
查看完整题目与答案
【简答题】氧化铝瓷件表面上涂银后,当烧至1000°C时,已知γ(Al2O3,固)=1J/m2; γ(Ag,液)=0.92J/m2; γ(Ag,液/Al2O3,固)=1.77J/m2,试问液态银能否润湿氧化铝瓷件表面?
查看完整题目与答案
【简答题】Many Pakistani families have tea with ________ from a local bakery.
查看完整题目与答案
【判断题】单位闭环负反馈系统的开环传递函数为 , 奈奎斯特稳定判据是根据 的幅相频率特性曲线判闭环系统的稳定性 。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Bimbo Bimbo perhaps is the most popular local brand in bakery in Mexico. Every day, its products including sliced bread. cakes, and snacks are delivered nationwide by trucks. Executives at the Mexico ...
A.
Bimbo has had a spotty record with its prior U. S. investments, too.
B.
Bimbo had an estimated profit of $188 million in 2001 on sales of $3.8 billion.
C.
This means that Bimbo cannot accomplish its takeover.
D.
They're spending $50 million on a companywide information-management system from Oracle Corp.
E.
It also gives the company access to a market estimated at 120 million consumers, 20% of whom are Hispanic, allowing the company to expand the reach of its existing bread and tortilla manufacturing facilities in Texas and California.
F.
Because there aren't that many of them. (8)
查看完整题目与答案
【单选题】关于劳斯稳定性判据和奈奎斯特稳定性判据,以下叙述中正确的是( )。
A.
劳斯判据属于代数判据，是用来判断开环系统稳定性的。
B.
奈奎斯特判据是用来判断开环系统稳定性的。
C.
奈奎斯特判据是 根据系统的开环频率特性 来判断闭环系统稳定性的 。
D.
以上叙述均不正确。
查看完整题目与答案
【判断题】奈奎斯特稳定判据是根据系统开环频率特性判别闭环系统的稳定性。
A.
正确
B.
错误
查看完整题目与答案
【单选题】营养物质被吸收的主要部位是()
A.
胃
B.
结肠
C.
盲肠
D.
食管
E.
小肠
查看完整题目与答案
【单选题】In order to promote tourism, the local government ______ plans for an advertising campaign.
A.
is making
B.
are making
C.
have made
D.
was making
查看完整题目与答案
【单选题】变压器过励磁保护是按磁密 B正比于_____原理实现的。
A.
电压 U与频率f的乘积
B.
电压 U与频率f的比值
C.
电压 U与绕组线圈匝数N的比值
D.
电压 U与绕组线圈匝数N的乘积
查看完整题目与答案
相关题目：
【单选题】变压器过励磁保护是按磁密度正比于（）原理实现的。
A.
电压U与频率f乘积；
B.
电压U与频率f的比值；
C.
电压U与绕组线圈匝数N的比值；
D.
电压U与绕组线圈匝数N的乘积。
查看完整题目与答案
【简答题】氧化铝瓷件表面上涂银后,当烧至1000°C时,已知γ(Al2O3,固)=1J/m2; γ(Ag,液)=0.92J/m2; γ(Ag,液/Al2O3,固)=1.77J/m2,试问液态银能否润湿氧化铝瓷件表面?
查看完整题目与答案
【简答题】Many Pakistani families have tea with ________ from a local bakery.
查看完整题目与答案
【判断题】单位闭环负反馈系统的开环传递函数为 , 奈奎斯特稳定判据是根据 的幅相频率特性曲线判闭环系统的稳定性 。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Bimbo Bimbo perhaps is the most popular local brand in bakery in Mexico. Every day, its products including sliced bread. cakes, and snacks are delivered nationwide by trucks. Executives at the Mexico ...
A.
Bimbo has had a spotty record with its prior U. S. investments, too.
B.
Bimbo had an estimated profit of $188 million in 2001 on sales of $3.8 billion.
C.
This means that Bimbo cannot accomplish its takeover.
D.
They're spending $50 million on a companywide information-management system from Oracle Corp.
E.
It also gives the company access to a market estimated at 120 million consumers, 20% of whom are Hispanic, allowing the company to expand the reach of its existing bread and tortilla manufacturing facilities in Texas and California.
F.
Because there aren't that many of them. (8)
查看完整题目与答案
【单选题】关于劳斯稳定性判据和奈奎斯特稳定性判据,以下叙述中正确的是( )。
A.
劳斯判据属于代数判据，是用来判断开环系统稳定性的。
B.
奈奎斯特判据是用来判断开环系统稳定性的。
C.
奈奎斯特判据是 根据系统的开环频率特性 来判断闭环系统稳定性的 。
D.
以上叙述均不正确。
查看完整题目与答案
【判断题】奈奎斯特稳定判据是根据系统开环频率特性判别闭环系统的稳定性。
A.
正确
B.
错误
查看完整题目与答案
【单选题】营养物质被吸收的主要部位是()
A.
胃
B.
结肠
C.
盲肠
D.
食管
E.
小肠
查看完整题目与答案
【单选题】In order to promote tourism, the local government ______ plans for an advertising campaign.
A.
is making
B.
are making
C.
have made
D.
was making
查看完整题目与答案
【单选题】变压器过励磁保护是按磁密 B正比于_____原理实现的。
A.
电压 U与频率f的乘积
B.
电压 U与频率f的比值
C.
电压 U与绕组线圈匝数N的比值
D.
电压 U与绕组线圈匝数N的乘积
查看完整题目与答案