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【多选题】
下列比例属于放大比例的是(? ? )。
A.
1:50
B.
20:1
C.
5:1
D.
1:100
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参考答案:
举一反三
【判断题】设 ,而 , ,求 和 。 解:根据复合函数求偏导法则得 解答是否正确?
A.
正确
B.
错误
【简答题】选词填空 1.on sale ,2. afford , 3.are worth , 4.In fact , 5.spends, 6.as well as, 7. accept , 8.at your service , 9.order, 10.took part in , 11.credit card , 12.stop it from spreading , 13.consider, 14....
【单选题】()是目前氨化效果最好的处理方法。
A.
液氮氨化法
B.
尿素氨化法
C.
碳铵氨化法
D.
氨水氨化法
【简答题】设 ,用复合函数求导法及隐函数公式法求 .
【简答题】A组阅读 The first calender.docx 根据句子意思,用文中单词填写句子。 1. I like to make notes of important s on my ______. 2. Si Maqian is a well-known _______ in ancient Chinese history. 3. The student tries all his b...
【判断题】脉冲充电方式可以有效的减少极板硫化现象,保护蓄电池的寿命
A.
正确
B.
错误
【简答题】It is well-known that _______________is the top number taboo of English-speaking countries.
【简答题】It is well known that China is a country with rich natural ___________ and a very big population.
【判断题】锥形瓶等普通玻璃仪器洗涤
A.
正确
B.
错误
【简答题】It is well known that computers are becoming more and more popular. They are playing an important 1 in our daily lives. Computers are very 2 in almost every field. The first 3 of computer is to edit f...
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