七年级下英语暑假作业答案2017人教版

一 helicopter abacus ferry ambulance handcuffs purse cycling trainer astronaut
二 one hundred and fifty-eight
two thousand and one
fourty-five percent
zero point twenty-five
six point zero three
sixty degree
six point fifty-nine
one thousand five hundred and seventy-one
one/sixth
three/fifth
P43页
一 play football wash his face play the violin make phone calls to sb. arguing fishing
二 (1)1,000、120、852 (2)15、79、17、27、2,005 (3) 3/10、3/5、3/7、7/9 (4) 50%、75% (5)25°、160°
(5)0.78、11.45、21.13、57.22、6.5