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【简答题】
Do you have an umbrella? Someone invented the umbrella about 4,000 years ago. People used umbrellas in Egypt, Assyria, Greece, and China in ancient times. We use our umbrella for protection from the rain. However, people first used umbrellas for protection from the sun. People in China were the first ones to use their umbrellas for rain. They put wax(蜡纸) on paper umbrellas. European women used umbrellas before European men used them. Jonas Hanway was the first man to carry one in England. He made umbrellas popular for men and women. Some people called the umbrella a Hanway because of him. We make umbrellas from many different things. The first ones were wood and cloth. Now many are plastic(塑料). Today umbrellas are easy to carry. They fold up into a small package(包). The umbrella is a great invention. Don’t forget yours the next time when it rains. 根据文章内容判断正误,正确的写“A”,错误的写“B”。 小题1:The umbrella was invented about 2,000 years ago. 小题2:The first umbrellas were used for protection from sun. 小题3:People in Europe were the first ones to use their umbrellas for rain. 小题4:Some people called the umbrella a Hanway because he made umbrellas popular for people. 小题5:The first umbrellas were made from plastic.
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【多选题】具有凉血止血功效的药物有
A.
大蓟
B.
墨旱莲
C.
茜草
D.
大黄
【单选题】测得某一蛋白质样品的含氮量为0.4g,此样品有多少克的蛋白质
A.
2.0
B.
2.5
C.
6.35
D.
6.4
【多选题】具有凉血止血功效的药物有
A.
大蓟
B.
小蓟
C.
茜草
D.
侧柏叶
E.
白茅根
【单选题】测得某一蛋白质样品的含氮量为0.4g,那么这个样品中约含蛋白质是多少?
A.
3g
B.
2.5g
C.
6.25g
D.
2g
E.
6.4g
【单选题】测得某一蛋白质样品的氮含量为0.4g,此样品约含蛋白质多少g?
A.
2.00g
B.
2.50g
C.
6.40g
D.
3.00g
E.
6.25g
【单选题】存储器映射是指给物理存储器分配 的过程。
A.
逻辑地址
B.
芯片地址
C.
虚拟地址
D.
偏移地址
【简答题】存储器映射是指的给给物理存储器分配( )的过程。
【单选题】“听其言必责其用,观其行必求其功。”这种观点是
A.
认为实践可以脱离认识
B.
强调认识对实践的作用
C.
强调实践对认识的检验作用
D.
认为认识可以脱离实践
【简答题】已知某蛋白样品的含氮量为0.4g,则此样品约含蛋白质()g?
【单选题】测得某一蛋白质样品中氮含量为0.4g,此种样品含蛋白质的量是多少
A.
2.00g
B.
2.50g
C.
6.40g
D.
3.00g
E.
6.25g
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