【单选题】文件 AAA.EXE 是一个______。
【简答题】___是一种在小区域内使用的由多台计算机组成的网络。 A、局域网 B、区域网 C、远程网 D、广域网
【单选题】It is better to ask someone for advice rather than ___________something.
【简答题】柠檬酸-丙酮酸循环(citrate pyruvate cycle)
【单选题】A risk taker is someone who ______.
A.
doesn't care what happens to him
C.
likes doing dangerous activities
【单选题】Someone who is risk-averse is:
A.
willing to expend whatever resources necessary to gain an uncertain amount of money.
B.
willing to spend more resources to avoid losing a given sum of money than to gain the same sum of money.
C.
irrational in the need to hold all assets in liquid form.
D.
one who does not believe in financial risk.
【多选题】下列陈述中涉及柠檬酸合酶正确的是
B.
草酰乙酸先于乙酰 -CoA 与柠檬酸合酶结合
C.
柠檬酸合酶活性中心的 His 残基参与水解乙酰 CoA
E.
柠檬酸合酶的每个亚基分别结合底物中的一个,并使底物分子相互紧密靠拢
【简答题】两个文件不能放在同一个文件夹中的是( )。A. abC.com与abc B. ABC.COM与abC.com C. abC.com与abC.exe D. abC.com与aaA.com
【单选题】柠檬酸合酶( Citrate synthase)催化:乙酰CoA+草酰乙酸→柠檬酸。根据国际系统 分类法,该酶应该属于第()大类酶