The old man told us a humorous story. And it made us laugh.
A:funny
B:strange
C:special
浓硫酸具有吸水性、脱水性和强氧化性。稀硫酸有强酸性。
工业制硫酸的流程为:
-- What's the ______ of this building?
-- It's about 150 metres.
根据括号中所给的汉语,写出单词的正确形式,使句子意思完整。They were playing _____ ( 吵闹 ) outside.It has been in____ ( 服务 ) since 2000.Have you ____ (意识到) this serious mistake now, guy?____ ( 闪电 ) started a big fire in a house.____ The _________(政府) has taken action to prevent people cutting down the trees.