直线y=-2x+4与x轴的交点坐标为______.
当y=0时,x=2.
故直线y=-2x+4与x轴的交点坐标为(2,0).
This is a chart of a car’s fuel consumption during a certain day.
Time of day
Fuel consumption-燃料消耗 petrol- 汽油 litre-升
小题1:The above chart shows ______________.
A.how much petrol was needed to fill the tank
B.the speed the car was going
C.which trip used the most petrol
D.how far the car travelled小题2:The driver bought petrol at ______________.
A.8 a.m.
B.9 a.m.
C.4 p.m.
D.6 p.m.小题3:Throughout the day the car used_______________.
A.45 litres of petrol
B.40 litres of petrol
C.35 litres of petrol
D.10 litres of petrol
(1)三校 (2)撰写文稿(3)印刷 (4)发行(5)录入排版
A.1-3-4-2-5
B.2-5-1-3-4
C.2-1-5-3-4
D.2-3-4-1-5