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[单选题]
SD抗菌作用机制是( )
A
A、干扰细菌二氢叶酸还原酶B、干扰细菌二氢蝶酸合成酶C、干扰细菌蛋白质合成D、干扰细菌细胞壁合成
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试题答案:
B
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1.
SQL语言中,条件“成绩BETWEEN 0 100”表示成绩在0至100之间,且()
2.
23. Connection is a powerful tool helping you learn better. Using connection, you need to take information and connect it to images, examples and things you already understan However, as a skill, this takes some time to develop and it often fails when you face very hard material, and it can also be misapplied,particularly if it’s used as a direct replacement for practice. Here are some ways I’ve used it:While learning Chinese, I would recognize the radicals (部首)of the characters and try to form a mental picture either with those radicals or the character meaning or the pronunciation, or all three. While studying international business law in France, I used the link and peg (挂钩)method to link the date and place of a particular treaty(协约)which was signed to the name of the treaty. While studying accounting, when I couldn’t remember a rule, I’d make a mental image that encapsulated (概述)it. While learning biology, whenever I couldn’t remember a chemical, I made a list of its properties (性能),turned those properties into images and linked that to the way the name sounds.When you’re trying to memorize a lot of information that isn’t well connected, focus on quick and loose images that will help you translate the information, even if they don’t represent it well.(10分)23.1 What the author is talking about in this passage is .(2分)A. a tool which helps you do reading betterB. a method which helps you learn better C. a tool which helps you do accounting betterD. a method which helps you do chemical experiment better
3.
甲公司向乙大学去函表示:“我公司生产的M型电教室耳机,每副25元。如果贵校需要,请与我公司联系。”乙大学回函:“我校愿向贵公司订购M型耳机1000副,每副单价25元,但需在耳机上附加一个音量调节器。”甲公司未复函。一个月后,乙大学收到甲公司发来的1000副耳机,但这批耳机上没有音量调节器,于是拒收。在这一过程中()
4.
下列属于影响经济行情的季节性因素的是()
5.
试述经济发展的内涵及基本模式。
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