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-七年级生物

更多内容推荐

• 阅读理解。 When you cough or sneeze, please turn your head away from others and cover your mouth with the
• 阅读理解。 If you want to become a better reader, what should you know about speed of reading? Some peopl
• 阅读下面短文，在表格内的空白处填入合适的答案(每格限填一词)。 The way in which we communicate with others can be greatly improved
• 阅读上面短文，完成表格内容。 Do you believe there are aliens (外星人)? Well, make a phone call and you will know. A
• 阅读材料，然后从各小题所给的四个选项中选出最佳选项。 Leaves are nature's food factories. Plants take water from the groun
• 下面是植物细胞的平面结构模式图，请据图回答问题：（1）切西瓜时，流出的红汁水是__________，这些汁水主要来自图中的结构[]__________。（2）图中结构可以缓缓流动的部分是[]__-七年
• 阅读理解。 Children are children after all, and most of them speak their mind. When they are just toddler
• 阅读理解。 Strong earthquakes hit the east of Japan in the afternoon of March 11, causing several meter-h
• 阅读短文，根据回答问题。 November 24, 1859 was a special day in London. On that day, many Londoners rushed to a
• 阅读理解。 My summer hols wr CWOT. B4, we used 2 go 2 NY 2C my bro, his CF & thr 3:-@ kids FTF ILNY,i
• 阅读理解。 Rivers are one of our most important natural resources (自然资源). Many of the world's great
• 阅读与表达。 Happiness is U-shaped, for we are happier at the start and end of our lives but hit a slump (
• 图1、图2是细胞结构模式图，请认真看图并回答：（1）图1是__________细胞模式图；图2是__________细胞模式图。（2）图中[2]、[7]是细胞膜；[6]、[]是细胞质；[8]、[]是细
• 阅读下面短文，写出括号中所给词的正确形式，使短文意思完整。 Dolphins are 1_____ (interest) animals and researchers find them smar
• 阅读理解。At the University of Califomia, my students and I studied more than 2 000 years of self-change
• 阅读短文回答问题。 You don't need millions to be happy. In fact, at the Happiness Training Centre in Aus
• 用显微镜观察一个成熟的植物细胞时，你会发现细胞核不在细胞的中央，而是位于细胞的一侧。造成这种现象的原因是[]A．细胞质的流动B．细胞的分裂C．细胞核的活动D．液泡的挤压-七年级生物
• 阅读理解。 The computers changed our lives in the 1980s, the Internet changed our lives in the 1990s, and
• 阅读理解。 A research shows that expressions on our faces have a strong relationship with our genes (基因).
• 阅读理解。 If music makes you smarter and exercise helps you to think, surely exercising to music can tur
• 根据短文判断下面句子的正确(T)与错误(F) 。 Are you too nervous to work out the problem when your teacher asks you to c
• “停车坐爱枫林晚，霜叶红于二月花”，从细胞知识来看，引起枫叶颜色变化的物质存在于[]A．叶绿体B．细胞核C．液泡D．细胞壁-七年级生物
• 阅读理解。 Chinese are very generous when it comes to educating their children. Not caring about the mone
• 阅读理解。 You need 3D glasses to see some films. I think it is easy to make your own 3D glasses instead
• 阅读理解。 It seems school children all over the world complain about their school food. Cherie Blair, th
• 阅读理解。 Geography is the study of Earth and its climates. Scientists use it to study global (全球的) warm
• 阅读短文，选择正确答案。 If you want to deal with the association (交往) between boys and girl right, here are som
• 阅读理解。 Reading is very important. World Book Day falls on April 23 every year. It encourages people,
• 阅读理解。 You know you have to read "between the lines" to get the most out of anything. I wan
• 阅读理解。 A good way to pass an exam is to work hard every day. You may not pass an examif you don'
• 阅读理解。 The best way of learning a language is using it. The best way of learning English is talking i
• 阅读理解并根据短文内容回答问题。 The Smallest Bird The little bird takes nectar (花蜜) from a flower. This sweet liqui
• 阅读理解。 As space science develops, man has learned more and more about space. Space is not only amazin
• 阅读理解。 What do people do with their old, out-of-date but still useful computers? Most people don'
• 完形填空。 There are robots all around us. Some do very1 jobs like flying airplanes and driving subway tr
• 阅读理解。 Leadingscientistshavejoinedthegrowingchorusofconcem(worry)aboutgovemmentsandcompaniesrushingin
• 阅读短文，根据短文内容，从方框中选择恰当的词填空。 students, think, outside, people, taught, important, everythingSchool edu
• 阅读理解。 Sometimes people call ours a "throwaway society". That means that we're always
• 阅读理解。 I love to write! Ever since I was a five-year-old girl, I wrote stories in my notebooks and on
• 根据短文内容，判断下列句子正（T）误（F）。 Nowadays, more and more schools in China make rules making students wear sch
• 根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。 Now students' English handwriting (书法) gets worse and worse.
• 根据短文内容和所给中文提示，在空白处填入单词。每空限填一词。 US President Obama gave a TV speech to his country's students o
• 阅读理解。 In Chicago, a computerized system has been developed that controls (管理) traffic on the city�
• 阅读理解。 Helping your children to read and write at home will improve their skills and confidence-it wi
• 完形填空。 We see many animals, like rabbits, bees, dogs, birds, sheep but do you know1 theseanimals say
• 阅读理解。 Can plants eat people? Probably not, but there are many plants that eat meat. Some of them are
• 阅读理解。 Listening test is one of the most important parts of the English exam. Here are some tips (建议)
• 阅读下列短文，从每小题所给的四个选项（A、B、C和D）中，选出最佳选项。 If you ask some people: "How did you learn English so well
• 阅读理解。 When you are curious about something and want to know more about it, you can use the way of as
• 阅读理解。 Thebook,BringYourWorkToLife,byWilliamJohnMills,pointsoutthatthesecrettomeaninginlife,andinwork