初一(上海牛津版)英语问题
题目
初一(上海牛津版)英语问题
because、as...as、make good use of、 different from用在不同的答案中
We can do a lot to protect our environment.Why should not we use disposable things?( 1 ).Buying things nearby does not waste ( 2 ) buying things far away.( 3 ) the handkerchief,tissues can be only used once,so we should ( 4 ) .Although sea water looks ( 5 ) fresh water, we can save a lot of fresh water, if we ( 6 ) .
答案
because
as...as中间应该有什么词啊?
because
make good use of后面没有词啊?
different from
make good use of
怪
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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.
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