学校第一次买A个皮球用x元,第二次买同样的皮球B个用y元,平均每个皮球( )元。
(x+y)÷(A+B)
我国历史上第一次实现全国统一的是[ ]
A、秦始皇
B、汉武帝
C、隋文帝
D、唐太宗
在答题卡上改正所给短文中的错误。对标有题号的每一行做出判断.如有错误(每行只有一个错误),则按下列情况改正.该行多一个词.把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。该行缺一个词.在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。该行错一个词.在错的词下划一横线,在该行右边横线上写出改正后的词。
Choose the name for a product is of course extremely 小题1:______
importance. Company or product names can have different 小题2:______
functions :they can tell a consumer about the advantage of小题3:_____
the product and company. A battery might be given a name long小题4:_____
or last to tell customers that it lasts for a long time. Whether 小题5:_____
a company choose funny or unusual name, customers 小题6:______
will remember the name well. Some companies prefer 小题7:______
a well-known word, while others choose names at 小题8:______
old stories or legends. There is also companies 小题9:.______
where invent new words for their brand or product names. 小题10:______