第 一 页 共 1 1 页 小升初英语类数学题专项练习(一) 1、An ant(蚂蚁) covers a distance of 90 metres in 3 hours
The average speed of the ant in decimetres(分米) per minute is____
2、 3、In a certain town some people were affected by a ’flu’ epidemic(流感)
In the first month 20% of the population contracted the flu whilst 80% were healthy
In the following month 20% of the sick people recovered and 20% of the healthy people contracted the disease
What fraction(分数) of the population is healthy at the end of the second month
4、Mpho, Barry, Sipho, Erica and Fatima are sitting on a park bench (公园长椅)
Mpho is not sitting on the far right
Barry is not sitting on the far left
Sipho is not sitting at either end(两头)
Erica is sitting to the right of Barry, but not necessarily next to him
Fatima is not sitting next to Sipho