• 2021-04-14
    1) All the space trash floats in space.
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    • 0

      ___________ ________ is the study of spatial relations. It is the way we use fixed space and personal space.

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      What<br/>are space agencies and companies aiming to do at present?() A: Recycle used space vehicles before they turn into debris. B: Develop technology to address the space debris problem. C: Limit the amount of debris entering space. D: Cooperate closely to retrieve space debris.

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      "… , people are becoming more need for open space." (Paragraph 1) tells us that ____. A: people are thinking to develop their living space into the sky B: people noticed the need for unoccupied land C: people are struggling to get more land from the space D: people are becoming more active on the space issue

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      The Celts believed all laws of space and...gle with the living.

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      /*【程序填空】题目:求1+2+3+……+100的和*/#include "stdio.h"main(){/***********SPACE***********/int i, sum=【?】;/***********SPACE***********/for(i=1; 【?】;i++)/***********SPACE***********/ 【?】/***********SPACE***********/printf("%d",【?】);}