【简答题】Paris is a romantic city. It’s a great _______ for couples who are in love.
【简答题】Complete the sentences with words from the boxes. destination excellent book path parking 1. Follow the _______ along the river, and you'll soon get to the park. 2. Can I _______ a table for fi...
【单选题】Paris is a romantic city. It’s a great ___for couples who are in love.
【单选题】Paris is a romantic city. It ’ s a great ________ for couples who are in love.
【简答题】4 Paris is a romantic city. It’s a great_________ for couples who are in love. (destination ; excellent; book; path; parking)
【多选题】关于集中热容系统的时间常数,以下说法正确的是( )。
B.
当时间等于时间常数时,物体的过余温度等于初始过余温度
C.
时间常数与物体的几何尺寸、物理性质和换热条件有关
D.
时间常数越大,物体越能迅速反应周围流体温度的变化