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【简答题】
信息匹配(共5小题,每小题2分,满分10分) 下面是有关植物和园艺方面的详细信息,请阅读下面相关信息,并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。 56. (Part One) Once your plants are growing you will need to keep them happy. How do you do this and what sorts of tools will you need? Plants need water and food, but when and in what sort of quantities? This module explains the cultivation techniques necessary to keep your plants in fine fettle. There are simple basic steps you can take to ensure you cut the right stem, at the right time, in the right place. 57. (Part two) Plants lose water through their leaves all the time. It is essential to ensure there is enough to replenish the roots, otherwise they will die. In warm weather water is lost from the soil by evaporation, so watering will need to be done more often. 58. (Part Three) To keep them growing healthily, plants absorb through their roots about 30 different nutrients and minerals dissolved in water. 59. (Part Four) Pruning is basically cutting off carefully selected parts of a plant to restrict its size, persuade it to grow in a particular shape, encouraging more fruit, flowers or stems, or to remove dead or diseased material. But pruning is neither difficult nor complicated; in fact a lot of it is applying common sense! You just have to follow a few guidelines and check in a book what kind of pruning the particular plant needs. The removal of dead, diseased, broken, crossing and crowded branches is often sufficient for many plants. 60. (Part Five) A spade is your basic digging implement; use it to make holes and to dig sandy or loamy soil. Fork is perfect for digging soil that’s stodgy, such as clay, or full of stones; moving and spreading organic matter; and breaking down clods of soil… 请阅读以下相关主题,然后匹配和其相关的章节: It tells us how to take care of our garden to make the plants and flowers fairly good. It tells us that in order to grow well, plants also need all kinds of nutrition, and so how to feed the plants is also important. That part tells gardeners how to do pruning that can remove the unneeded parts of many plants. It tells the importance of watering in gardening, especially in hot summer seasons. That part introduces the tools and different functions of various tools you may use in gardening. This section presents where you can buy good seeds and it also offers the regular price for you. 有关章节                          主题内容 56. Part One A.how to take care of garden 57. Part two B.how to feed the plants 58. Part Three C.how to prune 59. Part Four D.the importance of watering 60. Part Five   E. introduces different functions of tools F. where you can buy good seeds
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【判断题】PCR反应中,退火的目的是为了使引物与模板相结合
A.
正确
B.
错误
【单选题】交沙霉素属于下列何类抗生素
A.
氨基甙类
B.
大环内酯类
C.
头孢菌素类
D.
β-内酰胺类
E.
四环素类
【单选题】三位四通点此换向阀处于中间位置时,液压缸可以组成差动回路的中位机能是( )
A.
H型
B.
Y 型
C.
P 型
D.
M 型
【单选题】若图是果蝇某条染色体上的一段DNA分子示意图。下列说法正确的是()
A.
白眼基因含有多个核糖核苷酸
B.
白眼基因是一段有功能的核酸
C.
白眼基因位于细胞质内
D.
白眼基因的基本组成单位是4种碱基
【单选题】三位四通换向阀的中位机能中,可组成差动回路的是( )。
A.
“M”型
B.
“Y”型
C.
“P”型
D.
“O”型
【单选题】交沙霉素属于( )
A.
大环内酯类
B.
氨基成类
C.
β内酰胺类
D.
四环素类
E.
磺胺类
【判断题】PCR 反应中,退火的目的是为了使引物与模板相结合
A.
正确
B.
错误
【单选题】三位四通换向阀处于中间位置时,液压缸可组成差动回路的中位机能是( )。
A.
H型
B.
Y型
C.
P型
【单选题】交沙霉素属于下列哪一类抗生素()。
A.
属于β-内酰胺类抗生素
B.
属于氨基糖苷类抗生素
C.
属于大环内酯类抗生素
D.
属于四环素类抗生素
E.
属于氯霉素类抗生素
【简答题】智能卡主要有哪些类别?各有何特点?
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