The earth moves round the s 1 .When our part of the earth turns to the sun,it is d 2 .When our part
题目
The earth moves round the s 1 .When our part of the earth turns to the sun,it is d 2 .When our part of the earth turns a 3 from the sun,it is night.
The sun is much bigger than the moon.But sometimes the moon looks bigger than the sun,because it is much n 4 to the earth.
The sun is very bright.It gives very strong l 5 .The moon looks quite bright,but it d 6 give any light at all.The light from the moon comes f 7 the sun.
The moon looks much bigger and brighter t 8 the stars.But in fact the stars are a lot bigger and brighter than the m 9 .They look smaller than the moon because they are f 10 away from the earth.
答案
1. sun 2. day 3. away 4. nearer 5. light 6. 7. from 8. than 9. moon 10. farther
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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