A:氢氧化镁和稀盐酸反应
B:Ba(OH)2溶液滴入稀硫酸中
C:澄清石灰水和稀硝酸反应
D:二氧化碳通入澄清石灰水中
Mr. Jones said he was _________ the possibility of buying a new house because his older one _________ the tornado.