She is an actress TV.[ ]
A. on
B. in
C. at
答案：A
_________________ is too much for the girl to carry. [ ]
A. The bag weight
B. The bag of weight
C. The weight of the bag
D. The bag's weight
换热设备物料或介质在设备一侧进，另一侧出，该设备一定是（）管程的换热设备。
A、偶数
B、奇数
C、单管程
