1) The author's ....,..............is communicated through his song (HAPPY)
2) There are two ............between the two programs (DIFFER)
II) In many countries nowadays , electricity , gas and water are(1).......... . Companies which produce household goods realize that consumers want (2)...........that both work effectively and save money.
In North America , for example , household lighting accounts (3)...........10% to 15% of the electric bill, (4)..............this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving one . Consumers can save about US $7 to Ú$21 per bulb doing so.
In Europe , when you buy electrical goods (5).......... as refrigerators, freezers and washing machines , there is a labeling scheme telling you how (6).........efficient each model is , so you can compare (7).............appliances and then choose which one to buy . The final result is that these (8).............will save money as well as conserve the earth's resources .
1) A: necessary B: necessarily C: necessities D: necessitate
2) A: produce B: production C: productive D: products
3) A: in B: for C: at D: from
4) A: so B: and C: but D: although
5) A:so B: therefore C: such D: if
6) A: energetic B: energies C: energy D: energeticallt
7) A: differ B: different C: differently D: difference
8) A: innovate B: innovative C: innovator D: innovations
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Sinh Học lớp 12
