数学
①
(1)某校六年级有学生160人,已达到《国家体育锻炼标准》的占75%。未达到《国家体育锻炼标准》的有多少人?
(2)某校六年级学生中,已达到《国家体育锻炼标准》的占75%,未达到《国家体育锻炼标准》的有40人。这个学校六年级一共有多少人?
②
(1)一种电视机,原来的售价是每台2500元。降价18%后,这种电视机的售价是每台多少元?
(2)一种电视机降价18%后,售价是每台2050元。这种电视机原来的售价是每台多少元?
③2006年某事外贸进出口总额是245亿美元,其中外贸出口总额占62%。2006年某市外贸进口总额是多少亿美元?
④学校合唱队男生占52%,女生有36人。学校合唱队一共有学生多少人?
⑤长江是世界第三大河,全长约6300千米,比世界第二大河亚马孙河短2.1%。亚马孙河全长约多少千米?(得数保留整千米数)
列式计算,最好说明为什么这样算.
英语
一、用be动词的过去式恰当形式填空
1.I_______at school the day before yesterday.
2.He______at home last week.
3.We______students two years ago.
4.They____on the farm yesterday.
5.Yang Ling______eleven years old last year.
6.There_____an apple on the table yesterday.
二、行为动词的过去式练习.
1.He______(live) in Thailand two years ago.
2. The cat _____ (eat) a bird last night.
3.We_____ (have) a party last Children"s Day.
4.Nancy _____(plant) some vegetables on the farm last week.
5.I_____(make) a model plane the day before yesterday.
6. They______(play) badminton last Firday.
7.My monther _____(cook) xome food last week.
8.The girl ______ (sing) and ____(dance) at the party last night.
9.I ______(watch) TV last Saturday.
10.Her father _______(read)a book last night.
11.We didn"t_____to zoo yesterday, we______to the park.(go)
12.____you____(visit) your relatives last week?
13.I ________(sweep) the floor yesterday.
14.What________she _______(find) in the garden this morning?
She______(find) a beautiful butterfly.
三、过去式综合练习
1.It _____(be) Ben's birthday last Friday.
2.We all _____(have) a good time last night.
3.She likes ______newspapers,but she ______a book yesterday.(read)
4.It_______(be) November 2nd yesterday .Mr white ___(go)to work by car.
5.What ____you ___yesterday? I____ some housework.(do)
6.They ____(make) a kite a week ago.
7.I want to _____ some trees.But my dad_____ them last month.(plant)
8._____ he ______ the flowers yesterday evenong?
Yes, he dia.(buy)
急急急急!!!!!
好的加分!
数学已搞定,做英语!英语的注意是过去式!!!!
参考资料:livelivelivelivelivelivelivelivevv