问题
多项选择题
主含碳酸钙的中药材有
A．石决明
B．全蝎
C．珍珠
D．蛤蚧
E．牡蛎
答案
参考答案：A,C,E
搜题请搜索小程序“爱下问搜题”
主含碳酸钙的中药材有
A．石决明
B．全蝎
C．珍珠
D．蛤蚧
E．牡蛎
参考答案：A,C,E
Mr. Black was working in a factory in a big town. He liked 1 very much, and was very good 2 it. When he was free, he 3 down to a small river behind the factory and tried 4 some fish, but there were very few there, 5 the water wasn’t clean. One summer he went to the seaside during his holiday and stayed at a small cheap hotel. “I have never fished in the 6 before.” He thought. “It will be more interesting than fishing in our river.” 7 first he caught a lot of fish and was very 8 . He gave them to the hotel and they cooked them for guests, and he enjoyed himself very much. After 9 , he did this every day. But 10 he got his bill(账单) at the end of the week, he saw it, “For oil（油） to cook fish(7 days), 70 dollars（美元）.”
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