选词填空,
题目
选词填空,
( cutious ,repeat ,reject ,pump ,virus ,announce ,expose ,defeat ,instruct ,radium )
1.I ___three times but he still couldn’t remember it .
2.This engine is used for ___water out of the mine .
3.The government ___yesterday to the media plans to create a million new jobs .
4.This is the first time that our team has been ___at basketball match .
5.Madame Curie is always remembered by people as the discoverer of ___.
6.You will be ___where to go as soon as the car is ready .
7.Don’ t ___yourself to strong sunlight ;it will harm your skin .
8.He was seriously ill because of a ___infection .
9.This proposal was firmly ___at the meeting .
10.He is very ___about committing himself to anything .
答案
repeated
pumping
announced
defeat
radium
rejected
expose
virus
instructed
cautious
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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