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San Francisco Fire Engine ToursSan Francisco Winery TourRunning: February 1st through April 30thThis delicious tour goes through the city on its way to Treasure Island where we will stop at the famous Winery SF. Here you can enjoy 4 pours of some of the best wine San Francisco has to offer. (Included in tickets price)Departing from the Cannery: Tell time upon requestDuration(时长):2 hoursPrice: $90Back to the Fifties TourRunning: August 16th through August 31stThis tour transports you back in time to one of San Francisco’s most fantastic periods, the 1950s! Enjoy fun history as we take you观察现象就确证化学反应是否发生,下列对应括号中所采取的措施不适当的是(  )A.将CO2通入水中(在通入CO2的水中滴入石蕊试液)B.将CO2通入NaOH溶液中(在通入CO2后的溶液中滴加稀盐酸)C.将NaOH溶液通入稀盐酸中(事先在稀盐酸中滴入酚酞试液)D.将稀硫酸加入NaOH溶液中(事先在NaOH溶液中滴入Ba(OH)2溶液)
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