数学和英语题

数学：

已知关于x，y的多项式6乘m乘x的平方减8乘n乘x乘y加3乘x减4乘x乘y减x的平方加y减3中不含二次项，求代数式3m减4n的值。

英语：

根据短文内容，选择下列的单词，并用其适当形式填空

have come visit be fly read take

正文：

Lynn and Paul _______in Paris this weekend.They______from London and get to the airport at 10 on Saturday morning.

They______a taxi from the airport to their hotel and______a lot of comic books in the bookstore.In the evening they_____dinner in a french restaurant.On sunday they_____to Labour Museum.They______all the things in the museum and they are very tired.They get home on Sunday evening.

翻译短语：给朋友写电子邮件_________

Sandy spends two hous on her homewok on Sundays.(对划线部分提问) （two hous 下面划线）

___________ ___________ __________Sandy spend on her homewok on Sundays?

英语

1.were 2.come 3.took 4.read 5.had 6.flew 7.visited 8.write a email to a friend 9.how long did

数学====

由题意知，[6m -1]x^2 --[8n+4]xy=0, 故 6m-1=0,8n+4=0,两式相减，6m-8n-5=0，同除以2，得3m-4n=5/2

英语： are, fly, take, read,have, come,visit

write an email to your friend

How long does

Lynn and Paul were in Paris this weekend.They flied from London and get to the airport at 10 on Saturday morning.

They took a taxi from the airport to their hotel and read（read过去式是read只不过读音不一样） a lot of comic books in the bookstore.In the evening they had dinner in a french restaurant.On sunday they went to Labour Museum.They visited all the things in the museum and they are very tired.They get home on Sunday evening.

给朋友写电子邮件 send an e-mail to my friend(s)

Sandy spends two hous on her homewok on Sundays.(对划线部分提问) （two hous 下面划线）

How long does Sandy spend on her homewok on Sundays? ( 对时间提问用How long）

2.5,be come take read have fly visit, Write an e-mail to a friend,How long does

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