题目

将一株正常生长的盆栽植物突然转移到黑暗环境中，其叶肉细胞的叶绿体中 ( )①C3增多，C5减少 ②NADpH增多，（CH2O）增多 ③ADP增多，ATP减少 ④C3减少，C5增多 A . ①② B . ②③ C . ①③ D . ②④ 答案：CThis is one of the happiest days ____ spent in my life. A have ever been                 B that has never been C which was ever                 D we have