下列关于叶片上气孔的叙述，正确的是（　　）

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.

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游万柳堂记

清·刘大櫆

   昔之人贵极富溢^①，则往往为别馆^②以自娱，穷极土木之工^③，而无所爱惜。既成，则不得久居其中，偶一至焉而已，有终身不得至者焉。而人之得久居其中者，力又不足以为之。夫贤公卿勤劳王事^④，固将不暇于此；而卑庸者类欲以此震耀其乡里之愚。

   临朐^⑤相国冯公，其在廷时无可訾^⑥，亦无可称。而有园在都城之东南隅。其广三十亩，无杂树，随地势之高下，尽植以柳，而榜其堂曰“万柳之堂”。短墙之外，骑行者可望而见。其中径曲而深，因其洼以为池，而累其土以成山，池旁皆蒹葭，云水萧疏可爱。

   雍正之初予始至京师则好游者咸为予言此地之胜。一至，犹稍有亭榭。再至，则向之飞梁架于水上者，今欹^⑦卧于水中矣。三至，则凡其所植柳，斩焉无一株之存。

   人世富贵之光荣，其与时升降，盖略与此园等。然则士苟有以自得^⑧，宜其不外慕乎富贵。彼身在富贵之中者，方殷^⑨忧之不暇，又何必朘^⑩民之膏以为苑囿^⑪也哉！

(选自《海峰先生文集》)

   【注】①富溢： 极富。②别馆： 即别墅，指住宅以外另建的园林馆舍。③工： 精巧。④勤劳王事： 为朝廷效力。⑤临朐： 地名。⑥訾： 毁谤、非议。⑦欹： 斜。⑧有以自得：自己有所领悟。⑨殷： 深。⑩朘(juān)： 剥削。⑪苑囿： 园林。