题型:问答题 简答题 You promised to ______ the goods to our place immediately, but we haven't seen any of them yet.A. pass B. relayC. deliver D. provide 查看答案
题型:问答题 简答题 一小盆温度是20℃的水放在室温是20℃的通风良好的大房间内,在水不断蒸发的过程中( )A.水温保持不变,水也不从空气里吸收热量B.水温和室温越来越低,但水跟空气之间不发生热传递C.水温不断降低,并从空气里吸收热量D.水温保持不变,并从空气里吸收热量 查看答案