长方形一条边长为3cm,面积为12cm2,则该长方形另一条边长为( )cm。
4
根据下列句子的意思及所给的汉语提示, 写出空缺处单词、固定短语或固定搭配的正确形式。
1. His favorite subject is Chinese, but ______________ (我的) is English.
2. The sick baby must be __________________(照顾).
3. They often go to the ___________________(儿童) park on Sunday.
4. He was ___________________ (生气) himself for making so many mistakes in his homework.
5. His uncle _______________ (买) him a dictionary last week.
某校六年级举行语文和数学竞赛,参赛人数占全年级总人数的40%,参加语文竞赛的占参赛人数的40%,参加数学竞赛的占参赛人数的75%,已知两项都参加的有12人,问该校六年级共有多少人( )
A.80
B.120
C.200
D.340