问题
问答题 简答题
何谓全进全出制度?该制度有何优点?
答案
参考答案:
全进全出制度即全群同期进场,全群同期出场。
其优点可概括为:
1、有效切断循环感染的途径;
2、防止疾病不断传播;
3、便于鸡群管理和统一实施技术措施。
何谓全进全出制度?该制度有何优点?
参考答案:
全进全出制度即全群同期进场,全群同期出场。
其优点可概括为:
1、有效切断循环感染的途径;
2、防止疾病不断传播;
3、便于鸡群管理和统一实施技术措施。
阅读下面表格内容,从每题所给的A、B、C3个选项中,选出1个最佳答案。 | ||||||||||||||||||
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1. How many main problems are there in the survey? | ||||||||||||||||||
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A. Four. B. Five. C. Six. | ||||||||||||||||||
2. What problems are caused by too much homework? | ||||||||||||||||||
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A. Get fat. B. Fight with each other. C. Feel stressed and get short sighted. | ||||||||||||||||||
3.If Simon is feeling stressed, he should . | ||||||||||||||||||
[ ] | ||||||||||||||||||
A. do much more homework B. buy some snacks C. make a plan for study and hobbies | ||||||||||||||||||
4. Peter doesn't like study. Maybe he . | ||||||||||||||||||
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A. plays too many computer games B. has no pocket money C. gets fatter and fatter | ||||||||||||||||||
5. is a good way for students to stop fights. | ||||||||||||||||||
[ ] | ||||||||||||||||||
A. Doing less homework B. Learning how to make friends C. Playing computer games |