英语词汇练习.
题目
英语词汇练习.
集体名词
1.Taxis,trains,and planes are all froms of
2.Apples,oranges,and grapes are all types of
3.Tables,chairs,and bookcases are all
4.Juice,tea,and milk are all
5.Christmas Valentine's Day,and Independence Day are all
6.Fish,meat,and rice are all kinds of
7.Carrots,potatoes,and cabbage are all types of
家属
1.Your father's sister is your
2.Your mother's mother is your
3.Your sister's daughter is your
4.Your mother's brother is your
5.Your uncle's son is your
6.Your brother's son is your
7.Your mother's father is your
家用电器
1.You wash clothes in it.It's a
2.You clean with it.It's a
3.You heat things very quickly in it.It's a
4.You press clothes with it.It's an
5.You watch movies and play computer games on it.It's a
6.You ring your friends and talk.It's a
7.It cleans your dirty plates,silverware and pans.It's a
8.You boil water in it.It's a
9.It keeps your food cold.It's a
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答案
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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