P41页

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

P44页

(1)Sun is the only star in our salar system.

(2) It gives us heat and light.

(3) The moon is just 380,000 kilometers away.

(4) It looks much sm