下列战役具有以少胜多特点的是
①长平之战 ②巨鹿之战 ③官渡之战 ④淝水之战 [ ]
A、①②③
B、②③④
C、①③④
D、①②④
答案：B
五位中国学生要去美国留学，他们想要找住家。请仔细阅读第56-60题中的学生的个人情况说明，并从A至F六个选项中，帮助他们选择最适合的住家（其中一项为多余选项）
小题1:Zhang Chao likes Chinese food. He hopes his host family speak a little Chinese.
小题2:Li Wei likes doing sports. He wants to live near a park.
小题3:Liu Yong hopes to live near his school---Reading School. He prefers a bed room with a bathroom
小题4:Chen Yao wants to live in a big bedroom cheaper than ￡350 a month. She can’t stand pets.
小题5:Hu Mei loves pets. She would like a bedroom cheaper than ￡220 a month.
计算应收账款周转率的公式中的分母“平均应收账款”应该是资产负债表中的应收账款金额的期初和期末数的平均值。（）
