Bài tập môn Tiếng Anh Lớp 9 (Hệ 7 năm) - Tuần 25 - Năm học 2019-2020 - Trường THCS Lê Đình Chinh

he one word given below. One word can be used for more than one sentence: for/ up/ after/ on/ off/ away/ in.
1. Who's going to look ______ the children while you're away?
2. "Turn ______ the TV for me, will you? I want to watch the cartoon.
3. She's looked ______ her keys everywhere.
4. Turn ______ the radio. I'm working.
5. If we go ______ littering, the environment will become seriously polluted.
6. Don't throw these newspapers ______.
III. Fill in the blanks with proper words.
 power - effective - nuclear - advanced - pollutionheat 
 - stored - electricity - energy - panels
	Are you looking for a cheap, clean, (1) ________ source of power that doesn't cause (2) ________ or waste natural resources? Look no further than solar (3) ________ from our Sun.
At present, most of our (4) ________ comes from the use of coal and gas, oil or (5) ________ power. This power could be provided by the Sun. one percent of the solar energy that reaches the Earth is enough to provide (6) ________ for the total population.
	Many countries are already using solar energy. Solar (7) ________ are placed on the roofs of a house and the Sun's energy is used to (8) water. The energy can be (9) ________ for a number of days, so on cloudy days you can use solar energy, too.
Sweden has an (10) ________ solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015.
***********************