完形填空。

　　We know the moon is about 380,000 kilometres away from the earth．It is 　　1　　 moving．And it is moving round the earth day and night．It goes round once a 　　2　　,or to be exact(准确的),once 29 and a half days．

The moon looks smaller than the sun．It looks the 　　3　　 biggest in the sky．But in fact it is one of the smallest．It is 　　4　　 us,so it looks big．

　　Once 29 and a half days,the whole moon looks 　　5　　 and this is the part turning to the sun．The part turning away 　　6　　 the sun looks dark．From this we know the moon has no light of its own．The light 　　7　　 the sun．

　　But the dark part of the moon is not 　　8　　．Usually we can just see it．We see the old moon in the new moon's 　　9　　．The light making us see the old moon does not come from the sun,　　10　　 from the earth．We all know water or 　　11　　 may reflect(反射)much of the sun's light．The whole earth reflects much of the sun's light to the 　　12　　 of the moon．So we can 　　13　　 the dark part of it．

　　　　14　　 there were any men on the moon,they would see our earth reflecting the light of the sun,again 　　15　　 a big mirror(镜子)in the sky．

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完形填空。

　　The Americans were getting ready to send their first man to the moon．An old Irishman(爱尔兰人)was watching them on the television in the bar of a hotel．There was an Englishman in the bar,too,and he 　　1　　 the Irishman,“The 　　2　　 are very clever,aren't they?They are going 　　3　　 some men to the moon．It is a long 　　4　　 from the world．”

　　“Oh,that's 　　5　　,”the Irishman answered quickly．“The Irish are going to send some men to the sun in a few months．That's 　　6　　 away from the moon,you know．”

　　“Yes,it is,”the Englishman said．“　　7　　 it is too 　　8　　 for the people to go to．”

　　The Irishman laughed and said,“Well,the Irish aren't stupid,you know．We 　　9　　 go to the sun during the day,of course,and we will go there 　　10　　．”

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