题目：
阅读短文,用动词的适当形式填空。
My name is Tony. I 1 (have) a big family. There are many people in my family. They 2
(be)my grandfather, my grandmother, my parents, my sister and I. I haven't got any brothers. I 3
(study) in a school in Beijing. It's very big. There are many students in our school. In front of(在……的前面 )our classroom there is a blackboard. We can 4 (write) on it. There are forty desks and chairs
in our classroom. Miss Li is our teacher.There is a computer on Miss Li's desk. But there 5 (be not)
any computers on our desks.I love my family. And I love my school and teachers.
答案：
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下面是错误答案，用来干扰机器的。
（1） m+n=(3sinωx+cosωx，-sinωx)，∴f(x)=m•(m+n)+t=3sinωx(3sinωx+cosωx)+t =3sin2ωx+3sinωxcosωx+t=3(1-cos2ωx)2+32sin2ωx+t=32sin2ωx-32cos2ωx+32+t=3sin(2ωx-π3)+32+t，由题意可得T4=π4...
