3堆桃子的个数分别是93，70，63，一只猴子在3堆桃子间搬运，已知猴子每次最多可搬5个桃子，并且在从一堆搬到另一堆的途中会吃掉1个，当3堆桃子个数相等时，猴子至少吃掉了____个桃子.
两根粗细相同,材料相同的蜡烛,长度比是21∶16,它们同时开始燃烧,18分钟后,长蜡烛与短蜡烛的长度比是15∶11,则较长的那根蜡烛还能燃烧____分钟.
She her face ？
自然界有（)种电荷，它们是（)和（)。
mother's day is on the ____sunday of may.
A.fist
B.second
c.third
有一项工程,甲单独做需6小时,乙单独做需8小时,丙单独做需10小时.上午8时三人同时开始,中间甲有事离开,结果到中午12点工程才完成,则甲离开的时间是上午__\__时____分.
This is our class. There are fifty students in our class. There are twenty-five boys and twenty-five girls. There is an American student in our class. Her name is Mary. Her English is very good. We all like her. She likes eating bread and cakes. She likes drinking milk and orange juice. We like eating rice and drinking tea. We are very happy together.
在A, B, C, 中选出一个最佳答案。
（ ) 1. How many students are there in the class？
A. twenty-five. B. fifty-five. C. fifty.
（ ) 2 .How many boys are there in the class？
A. twenty-five B. fifty-five C .fifty
（ )3. What is the American girl’s name ？
A. class B. Mary C. her
（ ) 4. What does the American girl like eating？
A. bread B. cakes C. cakes and bread
（ ) 5. What do we like eating and drinking？
A. Rice and tea. B. Bread and milk. C. Cakes and orange juice.
看图填单词，并猜猜这段话描述的是什么
who am I？
I have four__\_and six ____. I don't have any ___ but I can run.
I am a ____.
一个工厂电表的示数是52222千瓦，若干天后，电表的示数（五位数)中又出现4个相同的数字，那么该工厂在这些天内至少又用了____千瓦的电.
放松全身，让（)在水面上，将（)浮出水面，用（)踢水，防止体力丧失体力，等待救援。