“八桂”一词,源出《山海经》中的“桂林八树”,也可在下列名家()的作品中出现过。
A.杜甫
B.韩愈
C.柳宗元
D.袁枚
参考答案:B
— What did Mike do?
— _________________[ ]
A. He did his homework.
B. She did her housework.
C. He goes to school.
在供热术语标准中,“供热能力”是指供热设备或供热系统所能供给的()热负荷。
A.最大
B.额定
C.最小
D.平均