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【单选题】
下列关于别构酶的叙述,哪一项是错误的 ?
A.
多数别构酶都是寡聚体,而且亚基数目往往是偶数
B.
酶构象改变后,酶活力可能升高也可能降低
C.
亚基与底物结合的亲和力因亚基构象不同而变化
D.
亚基构象改变时,要发生肽键断裂的反应
E.
别构酶除了活性部位外,还含有调节部位
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举一反三
【单选题】人民军队建设的最根本的原则是
A.
政治建军
B.
官兵一致
C.
党指挥枪的原则
D.
三大纪律,八项注意
【单选题】关于叶酸的论述哪项是错误的:( )
A.
由喋呤啶、对氨基苯甲酸和谷氨酸组成
B.
其吸收形式是二氢叶酸
C.
其辅酶形式是四氢叶酸
D.
FH4的生成需NADP+作为供氢体
E.
FH4是一碳单位转移酶的辅酶
【单选题】Featuressuch as height, weight, and skin colour____ from individual to individual and from face to face. [     ]
A.
change
B.
vary
C.
alter
D.
convert
【单选题】Which of the following statement(s) in respect of the system of making tax return of individual income tax by individual taxpayer is incorrect?
A.
There are two methods for the paying individnal income tax by a Chinese taxpayer: the tax withholding agent withholding tax at source and self-declaration by taxpayer.
B.
A taxpayer with an annual incomes of over RMB 120,000 needs to voluntarily declare and pay individual income tax.
C.
As for the income acquired from overseas, if the tax has already been paid overseas, it is unnecessary to redeclare and pay individual income tax in China.
D.
If wages and salaries are acquired at two or more places in China, it is necessary for the individual to voluntarily declare and pay individual income tax.
【单选题】听力原文:(A) The man is canning some food. (B) The man is putting on an apron. (C) The man is cooking some food. (D) The man is tasting the food.
A.
B.
C.
【单选题】Features such as height, weight, and skin color ______ from individual to individual and from face to face.
A.
vary
B.
change
C.
alter
D.
convert
【多选题】关于通配符下面说法正确的是
A.
* 任意长度字符串
B.
?只匹配一个字符
C.
[]用于匹配所有出现在方括号内的字符
D.
[]用于匹配所有出现在方括号内的字符,也可以使用字母范围
【判断题】妊娠期高血压疾病的基本处理原则是镇静、解痉、降压、利尿,适时终止妊娠以达到预防子痫的发生。( )
A.
正确
B.
错误
【单选题】人民军队建设的最根本的原则是
A.
党指挥枪的原则
B.
枪指挥党的原则
C.
为人民服务的原则
D.
政治工作三原则
【单选题】Features such as height, weight, and skin color differ from individual to individual and from face to face。
A.
change
B.
vary
C.
alter
D.
convert
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