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【简答题】
Replace the underlined part in each of the following sentences with a word or phrase from the box below. Write your answer in the brackets. Change the form where necessary. 1. The company’s new products are becoming more popular in the countryside. ( ) 2. Thousands were forced to move to cities in search of job opportunities. ( ) 3. The maker movement is changing business, education and many aspects of our lives. ( ) 4. A computer has many parts and the most important one is the Central Processing Unit, which is where the brains of the machine are. ( ) 5. Most plants use the sun’s light to produce food for themselves. ( ) 6. The city officials drew up and carried out a plan to promote creativity through the maker movement. ( ) 7. His paintings will be shown publicly in Paris later this year. ( ) 8. I was hoping in some way to leave early today. ( )
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【简答题】晶体三极管的输出特性是指基数电流为常数时()与Uc之间的关系。
【判断题】农作物是田间试验的主要研究对象和试验材料,进行田间试验需要准备充足的高质量的农作物种子,除非试验处理需要不同的品种,否则田间试验用的种子遗传背景和种子来源都应相同,并且经过精选去杂,以保证其纯度,使试验的准确性不受影响
A.
正确
B.
错误
【判断题】工作中可以佩戴没有眼镜片的眼镜框。
A.
正确
B.
错误
【简答题】晶体三极管的输出特性是指()为常数时()与()之间的关系。
【判断题】移动电子商务是电子商务的类型之一?( )
A.
正确
B.
错误
【简答题】三极管输出特性指: 为常数时, 与 之间的关系。(A:UCE、B:IC、C:IB。填入对应A、B、C)
【判断题】田间试验需要准确度不需要精确度。( )
A.
正确
B.
错误
【简答题】A.Both prefer soccer to American football. B.Both prefer American football to soccer. C.Belinda disagrees with Martin. D.It is not clear from the conversation.
【简答题】A.Both prefer soccer to American football. B.Both prefer American football to soccer. C.Belinda disagrees with Martin. D.It is not clear from the conversation.
【单选题】确定水泥稳定土水泥剂量的方法是()。
A.
根据路面设计图确定
B.
根据土的含水量确定
C.
通过配合比设计试验确定
D.
根据规范规定的水泥剂量范围和经验确定
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