题目

下述内容为叶绿体和线粒体所共有的是（   ）D ①具有双层膜结构            ②含少量DNA和RNA       ③生命活动中能产生氧 ④生命活动中能产生CO2   ⑤生命活动中能产生ATP A.①②③④⑤        B.①②③⑤          C.①②④⑤              D.①②⑤ 答案：D课文填空(本题共5个空格；每小题1分，分)尉华在背诵Unit Two School life 时，其中一段中忘记了五个单词，请你帮助他写出这五个单词，填在下面表格中。My name is John. I am in Year 8 at Woodland School near London. It is a ___小题1:____ school. Boys and girls have lessons together. My favourite ____小题2:____ is Home Economics. I like learning how to cook and __小题3:_____. I did not know how to do things for ___小题4:_____ before I came to this school. Now, I know how to cook healthy and ____小题5:____ meals.