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四、完形填空。〔人与社会——社会与文化〕
There are purple clothes, purple handbags, purple bicycles, purple furniture and purple computers! So purple is one of the most 1 colours today. But in the past, purple was a very expensive and unusual colour. Let's take a look at the rich 2 of the colour purple.
Some scientists believe that the first plants appearing on the earth over 500 million years ago 3 looked purple, not green. Plants today are green because 4 use chlorophyll(叶绿素) to produce energy. 5 early plants probably used something called retinal, which is dark purple.
During the time of Roman Empire, it was very 6 to make purple dye(染料). The dye came from sea snails(海螺). But 10,000 dead sea snails 7 you just one gram of purple dye... as well as a very bad smell! This 8 purple dye was called Tyrian purple, and it was the preferred 9 of emperors.
In the 16th century, purple was 10 for the king's family members in England. Queen Elizabeth Ⅰ's clothes were purple, but ordinary people were not allowed to 11 the colour.
In 1856, William Perkin, an 18-year-old 12 student, noticed something strange while doing an experiment(实验). The chemicals(化学品) he used to clean his instruments 13 with the chemicals he used in his experiment and produced a bright purple colour. This 14 led Perkin to start a company using this chemical mixture to make purple dye. The dye was much cheaper than sea-snail dye. 15 Perkin, now anyone can afford to wear purple clothes.
1. A. peaceful B. popular C. exciting D. serious
2. A. history B. style C. research D. product
3. A. gradually B. especially C. exactly D. probably
4. A. others B. they C. we D. some
5. A. And B. So C. But D. Until
6. A. dangerous B. common C. difficult D. strange
7. A. got B. paid C. wasted D. cost
8. A. basic B. harmful C. special D. perfect
9. A. colour B. smell C. plant D. animal
10. A. even B. never C. seldom D. only
11. A. wear B. sell C. change D. make
12. A. Geography B. Science C. Art D. Maths
13. A. compared B. mixed C. collected D. kept
14. A. survey B. suggestion C. discovery D. exam
15. A. As for B. Call for C. Thanks to D. Stand for
There are purple clothes, purple handbags, purple bicycles, purple furniture and purple computers! So purple is one of the most 1 colours today. But in the past, purple was a very expensive and unusual colour. Let's take a look at the rich 2 of the colour purple.
Some scientists believe that the first plants appearing on the earth over 500 million years ago 3 looked purple, not green. Plants today are green because 4 use chlorophyll(叶绿素) to produce energy. 5 early plants probably used something called retinal, which is dark purple.
During the time of Roman Empire, it was very 6 to make purple dye(染料). The dye came from sea snails(海螺). But 10,000 dead sea snails 7 you just one gram of purple dye... as well as a very bad smell! This 8 purple dye was called Tyrian purple, and it was the preferred 9 of emperors.
In the 16th century, purple was 10 for the king's family members in England. Queen Elizabeth Ⅰ's clothes were purple, but ordinary people were not allowed to 11 the colour.
In 1856, William Perkin, an 18-year-old 12 student, noticed something strange while doing an experiment(实验). The chemicals(化学品) he used to clean his instruments 13 with the chemicals he used in his experiment and produced a bright purple colour. This 14 led Perkin to start a company using this chemical mixture to make purple dye. The dye was much cheaper than sea-snail dye. 15 Perkin, now anyone can afford to wear purple clothes.
1. A. peaceful B. popular C. exciting D. serious
2. A. history B. style C. research D. product
3. A. gradually B. especially C. exactly D. probably
4. A. others B. they C. we D. some
5. A. And B. So C. But D. Until
6. A. dangerous B. common C. difficult D. strange
7. A. got B. paid C. wasted D. cost
8. A. basic B. harmful C. special D. perfect
9. A. colour B. smell C. plant D. animal
10. A. even B. never C. seldom D. only
11. A. wear B. sell C. change D. make
12. A. Geography B. Science C. Art D. Maths
13. A. compared B. mixed C. collected D. kept
14. A. survey B. suggestion C. discovery D. exam
15. A. As for B. Call for C. Thanks to D. Stand for
答案
1. B 2. A 3. D 4. B 5. C 6. C 7. A 8. C 9. A 10. D 11. A 12. B 13. B 14. C 15. C
