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【单选题】
下列操作错误的是( )。
A.
摊晾也称阴干法,即将中药置于室内或阴凉处,使其借温热空气的流动,吹去水分而干燥,适用于芳香性叶类、花类、果皮类等药材
B.
木炭干燥法是把木炭湿润,然后用皮纸包好,夹置于易霉的中药内,可以吸收侵入的水分而防霉虫
C.
翻垛就是将中药翻到垛面,或堆成通风垛,使热气及水分散发。一般在梅雨季节或发现药材含水量较高时采用之;并可利用电风扇、鼓风机等机械装置加速通风
D.
密封的形式可根据中药的性质和数量,采用密封库、密封垛、密封货架和密封包装等方式。
E.
凡中药容易变色、价值贵重、质娇嫩、容易走油、溢糖而生霉虫蛀、回潮后不宜曝晒或烘干的品种可采用石灰箱、石灰缸或石灰吸潮袋的干燥法
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【简答题】Proteins are the agents of biological function. Virtually every cellular activity is dependent on one or more particular proteins. Thus, a convenient way to classify the enormous number of proteins is...
【单选题】China already allowed foreign investors to set up ( )-holding co-operative travel agencies in it.我国已同意外国投资者在境内建立外资占少数股份的合作性质的旅行社。
A.
minority
B.
majority
C.
major
D.
minimum
【单选题】Choose the term described by the sentence: To fail to carry out an obligation. ( )
A.
default
B.
perform
C.
ascend
D.
advent
【单选题】carry out的近义词
A.
perform
B.
inform
【单选题】无线网络攻击中的女巫攻击针对的协议栈层次是( )
A.
物理层
B.
网络层
C.
传输层
D.
应用层
【单选题】听力原文: The China Internet network information center said this week the nation online community is expanding at a rapid pace, with 8.9 million users added in the first half of the year from January to ...
A.
68 million
B.
8.9 million
C.
10 million
D.
1.5 million
【单选题】Finnish President said Finland-China relations had progressed ______ with fruitful co-operation in new and high-tech fields.
A.
peacefully
B.
highly
C.
quietly
D.
smoothly
【单选题】. President Hu said that Africa-China relations had progressed________with fruitful co-operation In many new fields.
A.
smoothly
B.
peacefully
C.
quietly
D.
highly
【简答题】阅读短文,完成文后题目。 A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follo...
【单选题】单选题-抗菌药物阿奇霉素属于
A.
氨基糖苷类
B.
大环内酯类
C.
四环素类
D.
β-内酰胺类
E.
喹诺酮类
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