1.Is there a cat ()the door 2.We are going to meet () the bus stop () half past ten .
题目
1.Is there a cat ()the door 2.We are going to meet () the bus stop () half past ten .
3.He is lisrening () music.
4.The thief ran out ()the shop .
5..I get up ()six o'clock every morning .
6.Can you help me () my math
7.this card is ()you.()填介词
答案
1.Is there a cat (behind)the door
2.We are going to meet (at) the bus stop (at) half past ten .
3.He is lisrening (to) music.
4.The thief ran out (of)the shop .
5..I get up (at)six o'clock every morning .
6.Can you help me (with) my math
7.this card is (for)you.
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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