【单选题】I felt sorry for the ones who had to eat the awful _______ .
【单选题】I felt I paid too much for the trip to Europe,and won't choose that travel agency again unless it's a real________. [ ]
【单选题】After I voted for the first time, I felt like a responsible adult.
A.
the first event: I felt like a responsible adult the second event: I voted for the first time
B.
the first event: I voted for the first time the second event: I felt like a responsible adult
【简答题】I felt very sad not to be able to get the ticket for the film Titantic last Friday. I learned in the newspaper that ticket could be bought at the cinema box office (售票处) in Richland Hill every day bet...
【单选题】从反应器停留时间分布测定中求得无因次方差为0.01,反应器可视为( )。
【单选题】从反应器停留时间分布测定中求得无因次方差等于0.95,反应器的返混程度可视为( )。
【单选题】从反应器停留时间分布测定中求得无因次方差为0.98,反应器可视为( )。
【判断题】从反应器停留时间分布测定中求得无因次方差等于0.95,反应器的返混程度可视为平推流。
【简答题】矩形截面梁最大正应力发生在横截面的___(上沿或下沿、中性轴),最大剪应力发生在上___(上沿或下沿、中性轴)。
【判断题】矩形截面梁最大正应力发生在横截面的上沿或下沿,最大剪应力发生在中性轴上