题目
英语:If you dream of becoming a spaceman when you g____ up ,get started now!A spaceman n_____ a strong body and keen mind .You still have a long way to g_____ .Do you know what Shenzhou VI spaceman are able to do?Shenzhou VI spaceman are able to l______ upside down .They do this not just during s______,but also when eating and going to the toilet.Before f____ into space,they had lots of p____.Echn upside-down training l____ for many days.They also have to know every part of the spaceship and how it w_____.If something g____ wrong,they must know how to repair it.
1、ABCD和APQR都是平行四边形,P、Q、R分别在AB、AC、AD上,AP=2QC,S四边形ABCD=36,则S四边形APQR=
A20 B24 C16 D18
2、已知a:b=c:d,则a²+c²和b²+d²的比例中项是
A、ac+bd B、ad+bc C、ad+cb D、ad+cd
1、ABCD和APQR都是平行四边形,P、Q、R分别在AB、AC、AD上,AP=2QC,S四边形ABCD=36,则S四边形APQR=
A20 B24 C16 D18
2、已知a:b=c:d,则a²+c²和b²+d²的比例中项是
A、ac+bd B、ad+bc C、ad+cb D、ad+cd
提问时间:2020-11-01
答案
If you dream of becoming a spaceman after you grow up ,get started now !A spaceman needs a strong body and mind.See here what Shenzhou Ⅵ spacemen are able to do .Don’t you have a long way to go?Shen...
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