The word ‘’expensive’’ in the second paragraph is closet in meaning to ………
B. cheap
C. costly
Giải bởi Vietjack
Đáp án đúng: C
Giải thích: expensive = costly: tốn kém, đắt đỏ
Dịch: Nhưng cho đến nay, quá trình đó đã được chứng minh là tốn kém
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks.
The search for alternative sources of energy has led in various directions. Many communities are burning garbage and other biological waste products to produce electricity. Converting waste products to gases or oil is also an efficient way to dispose of wastes.
Experimental work is being done to derive synthetic fuels from coal, oil shale, and coal tars. But to date, that process has proven expensive. Other experiments are underway to harness power with giant windmills. Geothermal power, heat from the earth, is also being tested.
Some experts expect utility companies to revive hydroelectric power derived from streams and rivers. Fifty years ago, hydroelectric power provided one third of the electricity used in the United States, but today it supplies only four percent. The oceans are another potential source of energy. Scientists are studying ways to convert the energy of ocean currents, tides, and waves to electricity. Experiments are also underway to make use of temperature differences in ocean water to produce energy.
Neil Armstrong is an American astronaut and known as the first human ………. foot on the moon.
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks.
My favorite sport is swimming. I learned to swim when I was five and I have been to the swimming pool at least twice a week ever since.
You do not need ……(31)….. special equipment if you want to learn to swim – only a pair of swimming trunks if you are a boy, or a swimming costume and a cap if you are a girl. When you start you may like to use a ring or some water-wings. Try to find a good teacher. You must learn to keep your balance in the water and then your teacher will show how to move your arms and legs so that you move along …..(32)….. and easily start making good progress.
Most people learn the breaststroke first and then go on to backstroke and crawl. After that, you can learn to dive. Diving is probably the thing …..(33)……I like doing most when I go to the pool. I am particularly interested ……(34)…… swimming faster than anyone else but I love trying to dive as gracefully as possible.
Swimming is not an expensive sport and it is very good for all the muscles in your body. I would …..(35)…… anyone at any age to take up swimming as a hobby.
You can't expect to have any friends if you don't ……….. the effort with people.
The woman living next door to my house is an environmentalist.
=> The woman ……………………………………………………
According to the passage, fifty years ago, one-third of the electricity in the United States was provided by ……….
People say that Bill Gates is one of the richest men in the world.
=> Bill Gates ……………………………………………………Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.
Vitamin C ……… by the human body. It gets into the blood stream quickly.
Endive can be used ……… as a green salad or as a cooking vegetable.
