人体的BMR较低的一种状态是
A.熟睡B.肌肉活动C.环境温度下降D.基础状态E.恐惧、焦虑
参考答案:A
解析:BMR为基础代谢率,在熟睡状态下,人体的BMR较低。
— David has gone to Australia on business.
— Really? I ______ why he was absent from today's meeting.[ ]
A. am wondering
B. wonder
C. was wondering
D. had wondered
固体废物焚烧系统中,焚烧炉的控制与测试系统是核心.