问题标题：
英语：Ifyoudreamofbecomingaspacemanwhenyoug____up,getstartednow!Aspacemann_____astrongbodyandkeenmind.Youstillhavealongwaytog_____.DoyouknowwhatShenzhouVIspacemanareabletodo?ShenzhouVIspacemanareableto
问题描述：
英语：Ifyoudreamofbecomingaspacemanwhenyoug____up,getstartednow!Aspacemann_____astrongbodyandkeenmind.Youstillhavealongwaytog_____.DoyouknowwhatShenzhouVIspacemanareabletodo?ShenzhouVIspacemanareabletol______upsidedown.Theydothisnotjustdurings______,butalsowheneatingandgoingtothetoilet.Beforef____intospace,theyhadlotsofp____.Echnupside-downtrainingl____formanydays.Theyalsohavetoknoweverypartofthespaceshipandhowitw_____.Ifsomethingg____wrong,theymustknowhowtorepairit.
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=
A20B24C16D18
2、已知a:b=c:d,则a²+c²和b²+d²的比例中项是
A、ac+bdB、ad+bcC、ad+cbD、ad+cd
刘文剑回答：
Ifyoudreamofbecomingaspacemanafteryougrowup,getstartednow!Aspacemanneedsastrongbodyandmind.SeeherewhatShenzhouⅥspacemenareabletodo.Don’tyouhavealongwaytogo?Shen...
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