Welovetohearfromyou!Belowaresomeoftheletterswe’verec...
问题详情:
We love to hear from you! Below are some of the letters we’ve received recently from TimeforKids readers online.
He hurt his left arm in Survival
This is a great article, BacktotheFuture. What interests me is how some kinds of animals can survive for millions of years without changing much. Are there more kinds of animals like this? How can horseshoe crabs survive changes in the sea water and even live out of the water for up to four days? Can horseshoe crabs be harmful or helpful? I am guessing that it is helpful since they eat almost everything. This article makes me very interested and curious. Thank you for teaching me something about animals I never knew about before. —Orion H., 7th Grade, HI
The Homework
Debate
I really enjoy reading your new issue, RethinkingHomework. I also sometimes wake up in the middle of the night and realize I have homework to do. I go to a school with a different teacher for each subject. This is a problem for me because each teacher does not know how much homework we already have, sometimes they assign a lot. I think I need less homework so I can do the things I enjoy, like playing soccer and seeing my friends. —Lydia R., 10, NC
Far Out!
I enjoy your recent article, ExploringMars. In the science class, we have been talking about when the planet Earth is overpopulated, we will need to find another place to live. It would be so cool if we could find another planet that we could live on. There is probably one out there! —Eleanor R., 10, NC
I really enjoy reading the article, PlutohasaTwinSister. I can’t believe that they’ve found a dwarf planet identical to Pluto in space! This makes me think that there must be more out there, maybe even big ones. —Will P., 11, NC
25.Lydia R. often wakes up at night probably because he/she .
A. is worried about the homework B. has to get up early in the morning
C. has some sleep problems D. wants to do some reading
26.What would probably interest Eleanor most?
A. Playing football. B. Visiting his/her friends.
C. Living on Mars. D. Finding Pluto.
27.Who had better have a talk with his/her teacher?
A. Will P. B. Eleanor C. Lydia R. D. Orion H
【回答】
ACC
知识点:日常生活类阅读
题型:阅读理解
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下列与实验相关的叙述正确的是 A.稀释浓硫*时,应将蒸馏水沿烧杯内壁缓慢地注入浓硫*中B.配制溶液时,若加水...
问题详情:下列与实验相关的叙述正确的是 A.稀释浓硫*时,应将蒸馏水沿烧杯内壁缓慢地注入浓硫*中B.配制溶液时,若加水超过容量瓶刻度,应用胶头滴管将多余溶液吸出C.配制1mol·L-1300mLNaCl溶液可以选择一个50mL的容量瓶和一个250mL的容量瓶D.可以用右图装置进行*气的...
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设复数(是虚数单位),则复数的虚部为( )A. B. C. ...
问题详情:设复数(是虚数单位),则复数的虚部为( )A. B. C. D.【回答】B知识点:数系的扩充与复数的引入题型:选择题...
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(1)观察下图,请将下列国家的英文字母代号填入答题卡图中对应的方框内。早期殖*家:A.葡萄牙 B.英国(2)...
问题详情:(1)观察下图,请将下列国家的英文字母代号填入答题卡图中对应的方框内。早期殖*家:A.葡萄牙 B.英国(2)仔细观察该图,据图指出奴隶贸易的主要集运地的分布特点。【回答】 (1)上框B,下框A。(2)主要分布在非洲西海岸和东海岸。知识点:血腥的资本积累题型:综合题...
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一个质量为4kg的物体静止在足够大的光滑水平地面上.从t=0开始,物体受到一个大小和方向周期*变化的水平力F作...
问题详情:一个质量为4kg的物体静止在足够大的光滑水平地面上.从t=0开始,物体受到一个大小和方向周期*变化的水平力F作用,力F的变化规律如图所示.则( )A.t=2s时物体沿负方向运动的位移最大B.t=4s时物体运动的位移达最小值C.每个周期内物体的速度变化为一定值D.从t=0开...
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