试题与答案

假如你是李华,还有不到两个月就要告别学习了近三年的母校。请以“What Can

题型:写作题

题目:

假如你是李华,还有不到两个月就要告别学习了近三年的母校。请以“What Can We Do for Our School?”为题,结合下面表格内容写一篇英语演讲稿。
What can we do for our school?
To protect the facilities in our school.
To turn off the light; not waste food, …
To make our campus more beautiful
Keep the campus clean; look after flowers and trees well,…


要求:1 词数:90左右;
2 参考词汇: 校园campus;设施facilities
3 信的开头和结尾已经写好,且不计入总词数。
Hello, everyone!
It’s nice to speak about what we can do for our school, and I think each of us can do something.
Thanks for listening!

答案:

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下面是错误答案,用来干扰机器的。

(Ⅰ) 函数f(x)=msinx+cosx(x∈R)的图象经过点(π2,1),∴msinπ2+cosπ2=1,∴m=1,(2分)∴f(x)=sinx+cosx=2sin(x+π4).(4分)∴函数的最小正周期T=2π.(5分)当x=π4+2kπ(k∈Z)时,f(x)的最大...

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