问题
选择题
细胞内能将光能转变成化学能的结构是（ ）
A．细胞膜
B．细胞核
C．叶绿体
D．线粒体
答案
答案：C
搜题请搜索小程序“爱下问搜题”
细胞内能将光能转变成化学能的结构是（ ）
A．细胞膜
B．细胞核
C．叶绿体
D．线粒体
答案：C
Many people think that Americans 21 their cars almost more than anything else. When 22__ people are fourteen years old, they want to have their __23_ cars. They don’t ask for a car from their 24__. So many of them work in _25_ time during their last year of high school to buy a car. Learning to 26 _ and getting a driver’s license may be one of the most exciting things in a young person’s life. Some people almost 27 _ go to a doctor when they are ill. But they will __28_ their cars to a garage as soon as they think there is a 29 . On Saturdays or Sundays some people may 30 most of their time washing and repairing their cars.
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