题干

某细菌生活在富含Fe2+的水中.它能将Fe2+氧化成Fe3+,并能利用该过程所产生的能量来生产有机物,这种制造有机物的方式是(  )

A:光合作用

B:呼吸作用

C:化能合成作用

D:氧化作用

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答案(点此获取答案解析)

C

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Many musicians meet and form(组成)a band because they like to write and play their own music. They may start as a group of high school students and practice their music in someone's house. Sometimes they may play to passers—by in the street or subway so that they can get some money for themselves or pay for their instruments (乐器).

    However, there was one band that started in a different way. It was called the Monkees and was formed in 1965. It began as a TV show. The TV show had planned to find four rock musicians who could act as well as sing. But they could only find one who was good enough. They had to use actors for the other three members of the band.

    Since some of these actors could not sing well enough,they had to ask for help from other musicians. So at first,the band just pretended (假装)to sing. Anyway,their performances were excellent and they got lots of fans. Each week on TV,the Monkees would pretended to play and sing songs written by other musicians. After a year or so,they became more serious about their work. They started to play and sing their own songs like a real band. Then they produced(制作)their own records and started touring and playing their own music. In the USA they became even more influential and popular than the Beatles and sold even more records.

    However, the band broke up around 1970,but happily they reunited(重聚)in the 1980s. They produced a new record in 1996 to celebrate their time as a band. It was very successful. Today the Monkees are still making music for their millions of fans.