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1 Choose a word or an expression in brackets to complete each sentence. 选择括号中恰当的单词或表达补全句子。
(1) Marie Curie didn't discover radium all by but with her husband. (herself/her)
(2) As part of a green club activity, many students to help clean up the park last Saturday. (volunteered/joined)
(3) The invention of the steam engine changed the of industry. (cause/course)
(4) The scientist's research led to inventions in clean energy. (a large number of/a huge amount of)
(5) Yuan Longping was the UNESCO Science Prize in 1987. (treated/awarded)
(6) In the world of discoveries, scientists found a way to change genes. It can help doctors develop new for people with genetic problems. (medicine/medical)
(1) Marie Curie didn't discover radium all by but with her husband. (herself/her)
(2) As part of a green club activity, many students to help clean up the park last Saturday. (volunteered/joined)
(3) The invention of the steam engine changed the of industry. (cause/course)
(4) The scientist's research led to inventions in clean energy. (a large number of/a huge amount of)
(5) Yuan Longping was the UNESCO Science Prize in 1987. (treated/awarded)
(6) In the world of discoveries, scientists found a way to change genes. It can help doctors develop new for people with genetic problems. (medicine/medical)
答案
(1) herself
(2) volunteered
(3) course
(4) a large number of
(5) awarded
(6) medical; medicines
(2) volunteered
(3) course
(4) a large number of
(5) awarded
(6) medical; medicines
2 Complete the summary with the words and expressions in the box. 用方框中的单词和表达补全概要。
to his surprise by accident volunteered X - rays medical awarded lit up herself tube treat
Scientific discoveries often happen unexpectedly. In 1895, Wilhelm Röntgen used a covered $ ^{(1)} $ when he experimented with electricity. $ ^{(2)} $, he saw a green light appearing nearby. He discovered this light could pass through objects. That was how he discovered $ ^{(3)} $. For this, he was later $ ^{(4)} $ a Nobel Prize.
Another important discovery was made in 1928. Alexander Fleming found penicillin $ ^{(5)} $ when he noticed some mould growing in his lab. Surprisingly, it stopped harmful bacteria from spreading. This became the first life - saving medicine to $ ^{(6)} $ deadly diseases.
Around 1970, Tu Youyou searched for medicine for malaria. While studying ancient $ ^{(7)} $ books, she learned about a low - heat method. Suddenly, an idea $ ^{(8)} $. After getting Qinghaosu, she $ ^{(9)} $ to test the medicine on $ ^{(10)} $ first. Her discovery saved millions of lives.
to his surprise by accident volunteered X - rays medical awarded lit up herself tube treat
Scientific discoveries often happen unexpectedly. In 1895, Wilhelm Röntgen used a covered $ ^{(1)} $ when he experimented with electricity. $ ^{(2)} $, he saw a green light appearing nearby. He discovered this light could pass through objects. That was how he discovered $ ^{(3)} $. For this, he was later $ ^{(4)} $ a Nobel Prize.
Another important discovery was made in 1928. Alexander Fleming found penicillin $ ^{(5)} $ when he noticed some mould growing in his lab. Surprisingly, it stopped harmful bacteria from spreading. This became the first life - saving medicine to $ ^{(6)} $ deadly diseases.
Around 1970, Tu Youyou searched for medicine for malaria. While studying ancient $ ^{(7)} $ books, she learned about a low - heat method. Suddenly, an idea $ ^{(8)} $. After getting Qinghaosu, she $ ^{(9)} $ to test the medicine on $ ^{(10)} $ first. Her discovery saved millions of lives.
答案
(1) tube
(2) To his surprise
(3) X-rays
(4) awarded
(5) by accident
(6) treat
(7) medical
(8) lit up
(9) volunteered
(10) herself
(2) To his surprise
(3) X-rays
(4) awarded
(5) by accident
(6) treat
(7) medical
(8) lit up
(9) volunteered
(10) herself
