【正文】
_ 17 首先 __________ 18 即將被淘汰,即將過時(shí) _____________ 19. be made of /from ______ 20. alternative energy _______ 21. recycled materials __________ 22. urban life _________ 23. load with ________ 24. environmental problems ___________ 25. at birth __________ 26. all forms of __________ [來源 :學(xué)科網(wǎng) ] 27. at the flick of a switch ________ 28 environment friendly _________ 29. attach to ____________ 30. switch on/ off _______ 31. carry out __________ 32 place an order _______ Ⅱ .Complete the sentences:[來源 :Zx x k .Co m] 1. 我們住的房子是用水泥、石頭和磚造的。 The house where we live is ______ _____ _ concrete, stone and bricks. 2. 沒人確切知道發(fā)生了什么事。 We will have to recylce more waste because _______ _______are _______ ______