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【单选题】
某猪场2008年12月份大小猪都出现发病，传播迅速，主要表现严重下痢，病死猪严重脱水，皮肤暗紫、僵硬。如仔猪发病，以呕吐、灰黄色水样腹泻和迅速脱水为特征，这中间以哺乳仔猪发病最为典型，且消瘦、死亡迅速（达100%）。不死的哺乳仔猪，形体消瘦，被无光泽，站立不稳。育肥猪被粗乱，颜色发暗，皮肤因脱水而缺乏弹性，其厌食、呕吐、腹泻的症状不是很明显，表现为一过性。病猪的粪便中均含有未消化的凝乳块或生料，腥臭难闻。剖检哺乳仔猪和育肥猪，主要表现急性卡他性胃肠炎，胃内充满未消化的凝乳块或混有黄色，胃底黏膜充血、出血等。肠内充满气体或灰黄色饲料，特别是空肠段肠壁透明，缺乏应有的弹性，小肠黏膜绒脱落实验室检查小肠绒膜与隐窝的比例是（）
A.
7：1
B.
3：1
C.
1：1
D.
2：1
E.
4：1
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举一反三
【简答题】A．To introduce the categories of books in the US libraries. B．To explain roles of different US libraries. C．To define the circulation system of US libraries. D．To demonstrate the importance of US libr...
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【简答题】A．To introduce categories of books in US libraries. B．To demonstrate the importance of US libraries. C．To explain the roles of different US libraries. D．To define the circulation system of US librarie...
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【单选题】Which of the following is an accurate statement?______.
A.
Women generally pay higher insurance premiums than men.
B.
Women generally pay lower life insurance and accident insurance premiums but often pay higher health insurance premiums than men.
C.
Women generally pay lower life insurance and health insurance premiums but often pay higher accident insurance premiums than men.
D.
The Supreme Court has ruled that insurance companies must charge men and women of the same age equal rates.
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【判断题】Their programme is supposed to introduce books which are featured on the London angle.
A.
正确
B.
错误
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【单选题】The main purpose of the talk is
A.
to introduce categories of books in US libraries.
B.
to demonstrate the importance of US libraries.
C.
to explain the roles of different US libraries.
D.
to define the circulation system of US libraries.
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【单选题】What is the main purpose of the talk?
A.
To introduce categories of books in the U. S. libraries.
B.
To demonstrate the importance of the U. S. libraries.
C.
To explain the roles of different U. S. libraries.
D.
To define the circulation system of the U. S. libraries.
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【单选题】Which of the following is NOT the requirement on a visitor to an ancient village?
A.
Pay an entrance fee.
B.
Make no noise.
C.
Not littering.
D.
No singing.
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【单选题】Which of the following does not belong to variable-pay programs?( )
A.
Piece-rate pay
B.
Merit-based pay
C.
Skill-based pay
D.
Fixed pay
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【判断题】单个圆销的槽轮机构，槽轮的运动时间总是大于静止时间。
A.
正确
B.
错误
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【单选题】单个圆销的槽轮机构,槽轮的运动时间总是( ) 静止时间。
A.
大于
B.
小于
C.
等于
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【简答题】A．To introduce the categories of books in the US libraries. B．To explain roles of different US libraries. C．To define the circulation system of US libraries. D．To demonstrate the importance of US libr...
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【简答题】A．To introduce categories of books in US libraries. B．To demonstrate the importance of US libraries. C．To explain the roles of different US libraries. D．To define the circulation system of US librarie...
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【单选题】Which of the following is an accurate statement?______.
A.
Women generally pay higher insurance premiums than men.
B.
Women generally pay lower life insurance and accident insurance premiums but often pay higher health insurance premiums than men.
C.
Women generally pay lower life insurance and health insurance premiums but often pay higher accident insurance premiums than men.
D.
The Supreme Court has ruled that insurance companies must charge men and women of the same age equal rates.
查看完整题目与答案
【判断题】Their programme is supposed to introduce books which are featured on the London angle.
A.
正确
B.
错误
查看完整题目与答案
【单选题】The main purpose of the talk is
A.
to introduce categories of books in US libraries.
B.
to demonstrate the importance of US libraries.
C.
to explain the roles of different US libraries.
D.
to define the circulation system of US libraries.
查看完整题目与答案
【单选题】What is the main purpose of the talk?
A.
To introduce categories of books in the U. S. libraries.
B.
To demonstrate the importance of the U. S. libraries.
C.
To explain the roles of different U. S. libraries.
D.
To define the circulation system of the U. S. libraries.
查看完整题目与答案
【单选题】Which of the following is NOT the requirement on a visitor to an ancient village?
A.
Pay an entrance fee.
B.
Make no noise.
C.
Not littering.
D.
No singing.
查看完整题目与答案
【单选题】Which of the following does not belong to variable-pay programs?( )
A.
Piece-rate pay
B.
Merit-based pay
C.
Skill-based pay
D.
Fixed pay
查看完整题目与答案
【判断题】单个圆销的槽轮机构，槽轮的运动时间总是大于静止时间。
A.
正确
B.
错误
查看完整题目与答案
【单选题】单个圆销的槽轮机构,槽轮的运动时间总是( ) 静止时间。
A.
大于
B.
小于
C.
等于
查看完整题目与答案
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