【单选题】Shall we __ place of interests? [ ]
【判断题】“志不强者智不达”说明了确立理想信念对大学生成才的重要性。
【单选题】The Japanese guests suggested ____ their country.
【简答题】已知某离散线性时不变系统的差分方程为2y(n)-3y(n-1)+y(n-2)=x(n-1),且x(n)=2 n u(n),y(0)=1,y(1)=1,求n≥0时的输出y(n)。
【单选题】DSC单频通险呼叫尝试是在中频,高频或甚高频频带中的一个频率上,连续发送____DSC遇险呼叫。
【单选题】Our teacher recommended that we ______ as attentive as possible when we visit the chapel.
【单选题】Since our stay was too short,we couldn't visit all the places ________.
A.
where we should like to visit
B.
which we would like to visit them
C.
where we should have liked to
D.
which we would have liked to
【单选题】We____the Expo Park in Shanghai this summer vacation. [ ]
【判断题】“志不强者智不达”说明了理想信念对大学生成长成才的重要性。( )