5.B将粗溴苯倒入水中,通人SO2,发生反应SO2+Br2+2H2O=2HBr+H2SO,分液得到溴苯和苯的混合物,再蒸馏将溴苯和苯分离,过滤操作未涉及

读后续写It was a miracle that the entire boat didn't go under. Fortunately, he was able to climb on topof the bow, the only part of the vessel floating up out of the water. But Friday turned into Fri-day night, then Saturday morning, and so on. At one point as he clung to the boat, he doubtedwhether there was any hope for help. Amazingly, on Saturday night, there was a boat cominginto his sight.Seeing the boat sail into his path, he had to attract the boaters' attention. He exactly knew thetrick. By removing his shirt and waving it around, he was able to be spotted and got saved. Mr. Beeexpressed his gratitude to U.S. Coast Guard and he thought this was a truly incredible outcome thatdemonstrated the bond among all seamen and his community. This was the best Christmas giftever!

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