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【简答题】
如图中，O 1 、O 2 、O 3 分别是大、中、个圆的圆心．如果大圆的周长是25.12厘米，那么中圆的面积是______平方厘米，小圆的半径与大圆半径的比是______．
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【单选题】听了这首《我要去延安》你了解到:( )
A.
宝塔山不属于延安
B.
南泥湾不属于延安
C.
《我要去延安》是有感于延安人民为民族解放和独立做出的巨大贡献而创作的一首歌曲
D.
歌曲仅仅呼吁去延安旅游
【简答题】The reflected light should sweep slowly along the suce of the earth because the mirrors ________. A) would be operated by solar-powered engines B) would orbit thousands of miles high to catch the s...
【简答题】之说贯穿全文。
【简答题】public class Adress { public static void main(String[] args) { InetAddress ip; try { ip=InetAddress.____________; String localname=ip._________; String locaip=ip._________ System.out.println("本机名:"+lo...
【单选题】What were the stepping stones along the road in the city used for?
A.
Leading people walking along the road.
B.
Making people not step in the mud in the streets on rainy days.
C.
Making the city more beautiful.
D.
Making the children avoid walking in the mud.
【单选题】听了这首 《 我要去延安 》 你了解到:( )
A.
宝塔山不属于延安
B.
南泥湾不属于延安
C.
《 我要去延安 》 是有感于延安人民为民族解放和独立作出巨大贡献而创作的一首歌。
D.
歌曲仅仅呼吁去延安旅游
【单选题】The reflected light would sweep slowly along the surface of the earth because the mirrors
A.
would be operated by solar-powered engines
B.
could be made to adjust their angles
C.
could move around the earth at the same speed as the earth turns on its axis
D.
would orbit thousands of miles high to catch the sun's light
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