我国常用的冷却设备有冷却壁，（）支梁式水箱。
参考答案：冷却板
—I've had enough bread. Would you like ________.
—No, thanks. [ ]
A. a few more
B. one more
C. some more
D. another one
采取简易程序的产品后评估工作应当在（）个工作日内完成。
A.10
B.20
C.45
D.60
