把一个西瓜分成8份，吃了3份，还剩______．_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题解答题

把一个西瓜分成8份，吃了3份，还剩______．

答案

8-3=5（份）．

答：还剩5份．

故答案为：5份．

选择题

下列对线粒体的叙述不正确的是（　　）

A．无论动物细胞还是植物细胞都含有线粒体

B．线粒体能将细胞内有机物中的化学能释放出来

C．线粒体不能将光能转变成化学能

D．线粒体能将光能转变成化学能贮存在有机物中

完形填空

I moved to Chicago ten years ago. As I was new to the area, I had     friends and seldom went out to parties. But a month later, I was invited to a party and there I     an elderly couple.
The wife and I     for a long time. She told me how     she was about her husband who was     a heart operation. At that time I was working as a researcher in the same     where the husband would be going for his operation,     I told her to take down my phone number and     me to let me know when he was there.
She phoned a few weeks later as     and told me that her husband was admitted to the hospital and     waiting. I told her that I would go and check on him every day while I was at    . I thought that if it was my dad, I would do the same, so I decided to give them some    .
Weeks turned into months and it just became my     to see them and keep track of how things were going before, during and after the heart operation. Sometimes I'd bring a     for him to read, or some food that we would share    . As time went by, it seemed like I became part of the    . Even after the husband returned from the hospital, we still often     each other on holidays.
Now, ten years later, I     my own family. Since our parents don’t     close by, this couple has become my son’s “local” grandparents. My wife and I often feel truly     to have this couple as our “local” parents! Sometimes family comes out of the most unexpected place.

B．waiting for

D．turning down