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【单选题】
故障树分析是分析产品( )关系的可靠性分析工具之一。
A.
所有故障现象之间
B.
所有故障结果之间
C.
故障原因与结果之间
D.
所有故障原因之间
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举一反三
【单选题】最小二乘估计方法的本质要求是( )。
A.
各点到直线的垂直距离的和最小
B.
各点到 x 轴的纵向距离的平方和最小
C.
各点到直线的垂直距离的平方和最小
D.
各点到直线的纵向距离的平方和最小
E.
各点到直线的纵向距离的平方和最大
查看完整题目与答案
【单选题】听力原文:W: Shouldn't someone go to the supermarket to select some bread with the words 'iron-added' on the label? M: Don't look at me. Q: What does the man mean? (18)
A.
He doesn't like that kind of food.
B.
The woman can do some cooking herself,
C.
He doesn't intend to buy them.
D.
The woman should stop looking at him.
查看完整题目与答案
【单选题】下列穴位中主要用于治疗黄疸的是
A.
陶道
B.
身柱
C.
至阳
D.
神道
E.
灵台
查看完整题目与答案
【单选题】— Look! There's a food shop. — Yes, we can buy some _____ in it. [ ]
A.
bread
B.
baseballs
C.
clothes
D.
books
查看完整题目与答案
【单选题】Look! There __________ some bread on the bowl.
A.
has
B.
have
C.
is
D.
Are
查看完整题目与答案
【单选题】以下哪个指标不能用于线性回归中的模型比较( )
A.
R方
B.
调整R方
C.
AIC
D.
BIC
查看完整题目与答案
【单选题】------You look hungry, Would you like some bread? ------_______. I'd like some hamburgers. [ ]
A.
Yes, please
B.
No, thanks
C.
Yes, I'd like to
D.
Yes, thank you
查看完整题目与答案
【单选题】—Look,I’ve bought some bread,including your favorite flavor. —You ________ any because we still have plenty at home.
A.
should have bought
B.
could have bought
C.
needn’t have bought
D.
mustn’t have bought
查看完整题目与答案
【单选题】下列穴位中主要用于治疗黄疸的是
A.
陶道
B.
身柱
C.
至阳
D.
神道
查看完整题目与答案
【单选题】妊娠期孕妇用药指导不正确的是
A.
早期妊娠病毒感染,如风疹、腮腺炎、流感病毒等,可以通过胎盘进入胎儿体内造成流产、早产、先天性畸形等
B.
感染弓形虫原虫的猫、狗可以通过唾液及粪便传播给孕妇,引起流产、胎儿畸形或影响胎儿脑及眼的发育
C.
有流产史的孕妇,为安全起见,也应接受预防接种
D.
孕妇应在空气新鲜并流通的环境工作和休息,传染病流行季节应避免到公共场所,避免接触宠物
E.
孕妇必要时可接受预防接种,如破伤风类毒素、狂犬病疫苗、乙型肝炎疫苗、人血或人胎盘球蛋白等口
查看完整题目与答案
相关题目:
【单选题】最小二乘估计方法的本质要求是( )。
A.
各点到直线的垂直距离的和最小
B.
各点到 x 轴的纵向距离的平方和最小
C.
各点到直线的垂直距离的平方和最小
D.
各点到直线的纵向距离的平方和最小
E.
各点到直线的纵向距离的平方和最大
查看完整题目与答案
【单选题】听力原文:W: Shouldn't someone go to the supermarket to select some bread with the words 'iron-added' on the label? M: Don't look at me. Q: What does the man mean? (18)
A.
He doesn't like that kind of food.
B.
The woman can do some cooking herself,
C.
He doesn't intend to buy them.
D.
The woman should stop looking at him.
查看完整题目与答案
【单选题】下列穴位中主要用于治疗黄疸的是
A.
陶道
B.
身柱
C.
至阳
D.
神道
E.
灵台
查看完整题目与答案
【单选题】— Look! There's a food shop. — Yes, we can buy some _____ in it. [ ]
A.
bread
B.
baseballs
C.
clothes
D.
books
查看完整题目与答案
【单选题】Look! There __________ some bread on the bowl.
A.
has
B.
have
C.
is
D.
Are
查看完整题目与答案
【单选题】以下哪个指标不能用于线性回归中的模型比较( )
A.
R方
B.
调整R方
C.
AIC
D.
BIC
查看完整题目与答案
【单选题】------You look hungry, Would you like some bread? ------_______. I'd like some hamburgers. [ ]
A.
Yes, please
B.
No, thanks
C.
Yes, I'd like to
D.
Yes, thank you
查看完整题目与答案
【单选题】—Look,I’ve bought some bread,including your favorite flavor. —You ________ any because we still have plenty at home.
A.
should have bought
B.
could have bought
C.
needn’t have bought
D.
mustn’t have bought
查看完整题目与答案
【单选题】下列穴位中主要用于治疗黄疸的是
A.
陶道
B.
身柱
C.
至阳
D.
神道
查看完整题目与答案
【单选题】妊娠期孕妇用药指导不正确的是
A.
早期妊娠病毒感染,如风疹、腮腺炎、流感病毒等,可以通过胎盘进入胎儿体内造成流产、早产、先天性畸形等
B.
感染弓形虫原虫的猫、狗可以通过唾液及粪便传播给孕妇,引起流产、胎儿畸形或影响胎儿脑及眼的发育
C.
有流产史的孕妇,为安全起见,也应接受预防接种
D.
孕妇应在空气新鲜并流通的环境工作和休息,传染病流行季节应避免到公共场所,避免接触宠物
E.
孕妇必要时可接受预防接种,如破伤风类毒素、狂犬病疫苗、乙型肝炎疫苗、人血或人胎盘球蛋白等口
查看完整题目与答案