Companies now realize that (2)………… want products that will not only work effectively but also save money.. However, this amount can be reduced by (4)……… an ordinary 100 watt light bulb w[r]
(1)UNIT 7: SAVING ENERGY
I Choose the word/ phrase (A,B,C or D) that best fits the space in each sentence
1 His job is to fix the pipes and baths He’s a/an ………
A examiner B authority C conservationist D plumber We shouldn’t spray ……….on vegetables It’s very dangerous
A dynamite B pesticide C sewage D oil I suggest ……… a shortcut through the park It’ll take much less time A to take B take C taking D is taking I was very busy,……….I couldn’t join in the trip
A because B so C but D and ……… air can cause illness and even death
A Pollute B Polluted C Polluting D Pollution It was raining; ………., the soccer game was going on
A although B but C however D therefore Stay here with me if she ……… busy with her work
A doesn’t B not C will not be D isn’t I think we should ………buses instead of motorbikes A use B using C to use D used I’m ……… that people have spoiled this area
A disappoint B happy C disappointed D disappointing 10 We are not doing enough to protect the environment……… pollution A with B on C about D from 11 Plastic bags are very hard to……… in the ground
A integrate B dissolve C mix D destroy II Choose the correct answers to fill in the blanks :
In Western countries, electricity, gas and water aren’t (1)………… but necessities Companies now realize that (2)………… want products that will not only work effectively but also save money For most North American households, lighting accounts (3)………… 10% to 15% of the electricity bill However, this amount can be reduced by (4)……… an ordinary 100 watt light bulb with an energy saving bulb These bulbs use a quarter of the electricity of (5)………… bulbs and last eight times longer Therefore, consumers can save about US$7 to US$21 per bulb In Europe, (6)………… is a labeling for refrigerators, freezers, washing machines and tumble dryers The label scheme tells the consumers how much energy (7)………… each model has, compared with other appliances in the same category Ultimately, the (8)………… will save money as well as conserve the earth’s resources
1 A necessary B needs C luxuries D cheaper
2 A production B consumers C productive D producer
3 A in B on C to D for
4 A replacing B processing C producing D saving
5 A save B standard C modern D lighting
6 A that B these C there D they
7 A kind B modal C efficiency D style
8 A better B best C power D innovations
III Use the correct form or tense of the verbs :
1 We will destroy our forest someday if we _wood and paper (not save) I suggest a show to raise money (organize)
(2)4 Are you looking forward to the news from your old friends? (hear) We suggest money to help the poor (raise)
6 What about a shower instead of a bath to save energy? (take) We _ English for three years (study)
8 If the rice paddies polluted, the rice plants will die (be)
IV Use the correct word form :
1 Air _ makes our health worse and worse (pollute)
2 Environment is everyone’s responsibility (protect) always want cheap effective products and services (Consume)
4 This machine is not only inexpensive but also works (effect)
5 Mr Brown is a famous _in the town (environment) There have been many in the field of telecommunications (innovate) Since the world’s energy resources are limited, we must them (conservation) Listen to the conservationist teaching us how to protect the environment (care) Polluted water can _do harm to people’s health (direct)
10 You should _the amount of water your family uses (reduction) 11 They are looking for an effective way to reduce energy (consume) 12 We are going to _our environment (protection)
13 The environment is _polluted (extreme)
14 Farmers once protected their crops from insects by pesticides (spray) 15 We can’t live in the air (pollute)
V Do as directed
1 Let’s use water and electricity economically
I suggest _
2 The last time we saw each other was in 2003
We haven’t _
3 Hurry up or you’ll be late for school
If _
4 I think it is better to collect waste paper for recycling
I suggest we _
5 The last time I met her was months ago
I haven’t _
6 Try hard or you will fail the final exam
If _
7 We couldn’t go for a walk because the weather was bad