You should disconnect_ power before attempting to repair electrical equipment.

BÀI TẬP LIÊN QUAN

•                present, scientists are trying to find out the most suitable energy.
•   Nuclear power can provide US great source of energy.
•                  Do you know where this kind of energy comes?
•    Oil, coal, and natural gas are.
• energy uses natural sources of energy such as the sun, wind, or water for power and fuel, rather than oil, coal, or nuclear power.
• is the power                        from sources       such as electricity and   coal that makes machines work or provides heat.
•  Water energy is usec^ to create electricity.
•    A__ is a structure that is used to convert the power of the wind into electricity.
•    Nuclear power is cleaner than coal.
•  Underground cables carry to all parts of the town.
•   We will never actually used solar energy in its.
•   Although we need more energy, we should consider the of a nuclear power station.
•  The energy by the windmill drives all the drainage pumps.
•  They are making an artificial lake water for an area.
•   Acid rain refers to any form of precipitation 'more acidic than normal rainwater,
•    Carbon dioxide is the gas human beings and other animals exhale.
•   The industrialized nations have promoted the waste of fossil fuels,  greenhouse gas emissions.
•  Scientists are constantly searching for new sources of power modern society running.
•   She is the only one in the discussion to using nuclear power.
•  The old man a black suit is a famous energy researcher.
•   Johnny was the last applicant for a position in that energy station.
•  Coal       of energy in many countries, is a serious pollutant.
•        Is there any oil?
•    I have something interesting.
•   The sun releases large amounts_______ __ energy everyday.
•   The solar energy can change________ electricity.
•   We do not have plenty________ energy as we think.
•    A greenhouse is warm because the glass traps the _ ___ of the sun.
•    Coal power stations________ sulphur dioxide into the atmosphere.
•    How long will it be before the world ’s fuel supplies are exhausted?
•    He had spent his entire life in China to work as an energy researcher.
•  Fossil Fuels will be exhausted within a relatively short time.
•  The potential of alternative sources of energy is great.
•  There is of solar energy that we cannot make full use of.
•  Thanks to the of scientists all over the world, our life has become better and better.
•   The seas store and release it gradually during cold periods.
•    If the wind does not blow, there is no wind energy.
•      I pulled off the sheets which covered the furniture.
•   The nuclear power plant that was completed last year will come to operate tomorrow.
•  We have a lot of important documents on energy to read.
•   The solar panel on the roofs of the house can get enough energy for the whole family.
•     I think we should use hydroelectric power,.
•  Solar power,  a potential of alternative sources of energy, is a big question for researchers.
•  Scientists will find ways  our supplies of coal, oil, and gas.                               
•  Airplanes in the twentieth century is one of the sources of pollution.
•   Mr. Pike has established a potential business solar panels.
•  Those people__ in favor of nuclear power do not want to refer its disadvantages.
•  The heat from the sun is infinite.
•  A survey on alternative sources of energy out by those scientists will be reported to the public next week.
• It may take thousands_______ years to form a kind of energy.
• Finding out a new source _ ____ energy is the aim of many scientists.
• We may have a lot of energy if we can make filli use_ _ the energy from the sun.
• _____  energy is one that comes from sun.
• Oil shortages have brought on an________ crisis.
•                           heat comes from deep inside the earth.
•       Solar energy is not only plentiful but also infinite.
• Our building was cut off so we had to stop working.
•   Solar energy does not make the environment .
•    Nuclear power is. We need a lot of money to build a nuclear power station.
•                       most of our present energy comes from fossil fuels.
• nuclear energy is dangerous
•     I do not think nuclear power is the only energy.
•  They are against nuclear power because they think of the nuclear disaster in Japan in World War II.
• We have a lot of things for our new project.
• Do you see the beautiful young girl over there?
•   Just imagine what would happen to a nuclear power station by terrorists?
•  The instructions by Professor Johnson helped US know more about the danger of energy pollution.
• Is the electrical energy  within the batteries powerful enough to operate a car?
•   Heat from the sun is infinite.
•   In 1892, Mr. Rudolph designed an engine diesel engine.
•  The printing press by Gutenburg in Germany has changed forever the process of writing.
• Solar energy,, has not been made full use.
•  We are afraid of the radiation from the nuclear plants.