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【单选题】
糖酵解途径中的关键酶是A.
HMG CoA还原酶
B.
磷酸化酶
C.
HMG CoA合成酶
D.
6-磷酸果糖激酶-1
E.
果糖二磷酸酶-1
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反馈参考答案：
举一反三
【单选题】采用Mallat算法分解信号，想提取频率范围为15 ~ 30 Hz的信号分量，采样频率选择多少比较合适？（）
A.
100 Hz
B.
120 Hz
C.
150 Hz
D.
200Hz
【判断题】Determine whether the following statements are true or false. Put a “T” if the statement is true, and put an “F” if the statement is false. Animals can communicate with each other in a complicated way...
A.
正确
B.
错误
【单选题】企业管理者可以分成基层、中层、高层三种 , 高层管理者主要负责制定 ( )
A.
日常程序性决策
B.
长远全局性决策
C.
需要对自己的工作成果负责
D.
短期操作性决策
【判断题】If timer T0 works in mode 2, the initial values TH0 and TL0 must be the same.
A.
正确
B.
错误
【判断题】If the input x(t) is a sinusoidal signal, the steady-state output will also be a sinusoidal signal of the same frequency, but with possibly different magnitude only.
A.
正确
B.
错误
【简答题】The graph below shows the turnover of three kinds of retail outlets, all owned by the same company, during a three-year period. Check out the statements below based on the graph. Mark T if the descrip...
【单选题】If you want to have the same kind of living as a retiree, you may spend 20% less monthly than you do now because______.
A.
older people tend to be more frugal
B.
expenses involved in work are saved
C.
public transportation will be cheaper then
D.
older people can do their own cleaning then
【单选题】企业管理者可以分成基层、中层、高层三种,高层管理者主要负责制定( )。
A.
时间不确定，在实践中缺乏操作标准
B.
关键市场的提法不具体，很难界定范围
C.
较高市场份额的标准不清楚，要详细说明
D.
应综合考虑上述意见所反映的问题
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