Dr.Jack Todd is very interested in clean water .__小題1:_,so it's natural that he is to developer of a small and affordable system(系統(tǒng)）to clean waste water, His “Living  Machine" can clean wastewater in your home or in your business.
__小題2:_ The wastewater goes into a big plastic tank where bacteria(細(xì)菌）start to break down the waste.A few days later after it is dealt with, the water is brought into a greenhouse filled with plants and fish.With the help of sunlight, the plants and animals remove more chemicals from the water,making it cleaner,Then the water can be reused for washing or bathing _小題3:__ but the water is clean enough for watering the flowing, washing the dog, or even for bathing or swimming.
The advantage of this technology is that it is affordable and good for the environment. __小題4:__. It can help to use less fresh water, and it can help keep the water supply unpolluted.
A.    If enough homes and businesses use “Living Machines”
B.     People like to plant trees around their houses
C.     He is also interested in saving money
D.    It cannot be used for drinking or cooking
E.     The “Living Machine” is a system for cleaning wastewater
 

小題1:C
小題2:E
小題3:D
小題4:A

試題分析：“Living  Machine"是Jack發(fā)明的一臺(tái)凈水設(shè)備，通過(guò)它凈化后的水可以用來(lái)洗衣服，洗澡。
小題1:根據(jù)下文so it's natural that he is to developer of a small and affordable system(系統(tǒng)）to clean waste water可知Jack準(zhǔn)備發(fā)明一個(gè)小而實(shí)惠的凈水設(shè)備故選C，對(duì)省錢(qián)非常感興趣。
小題2:根據(jù)下文The wastewater goes into a big plastic tank where bacteria(細(xì)菌）start to break down the waste.可知這個(gè)發(fā)明的工作原理，故應(yīng)介紹它是做什么用的，故選E。
小題3:根據(jù)上下文的理解此句介紹的是凈化后的水的用途，有選擇項(xiàng)的提示可知選擇D，這個(gè)水不用用來(lái)飲用。
小題4:根據(jù)語(yǔ)境可知此部分介紹使用Living Machine”的意義，故選A。
點(diǎn)評(píng)：對(duì)于此類(lèi)題型的解答，可以將整個(gè)文段首先瀏覽一遍，大概理解意思。答題過(guò)程中，根據(jù)所提供的答語(yǔ)或是后文進(jìn)行作答，同時(shí)，做題過(guò)程中也可以使用排除法，將選項(xiàng)帶到文章中逐一的作答，答完后注意通讀檢查是否符合邏輯，語(yǔ)義順暢。
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