【推荐2】When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly     1     we realize how important our eyes are.

People who are near-sighted can only see things that are very close to their eyes. When people do a lot of work, such as     2    （write）, reading and sewing, they become near-sighted.

People who are far-sighted can see things that are far away,     3     they have difficulty in reading a book unless they hold it at an arm's     4     （long）. If they want to do much reading, they must wear glasses.

Other people do not see clearly because they have astigmatism (散光). This, too, can    5       （correct） by wearing glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove     6    .

Having two good eyes     7    （be） important when you judge distances. Each eye sees things from a     8    （slight） different angle. To prove this to yourself, look at an object out of one eye; then look at the same object out of your other eye. You will find     9     object's relation to the background has changed. The difference     10    these two different eye views helps us judge how far away an object is. So protect your eyes well.

【推荐3】Have you heard of John Snow in the times of Queen Victoria? John Snow    1    was a famous doctor attended Queen Victoria as her personal physician. But he became inspired when he thought about helping ordinary people    2    (expose) to cholera. This was the     3    (dead) disease of its day. Neither its cause     4    its cure was understood,     5    many thousands of terrified people died. John Snow realized that cholera would never    6    (control) until its cause was found. He began to gather the information, for which he made     7    map. He marked the exact place where the dead had lived on it . As a     8    , he found out the cause of cholera and suggested the source of all water supplies be examined     9    (immediate). Thanks     10    him, “King Cholera” was defeated .

【推荐1】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

To promote various applications of Dunhuang art patterns in daily life design and achieve- the development of cultural heritage represented by Dunhuang art patterns, the Chang Shana Design Award in 2021     1     (announce) on January 21.

Chang Shana,     2     outstanding designer and educator in China, was just 13 when her love affair with Dunhuang     3     (begin). Born in France, she returned from Paris with her father and devoted     4     (they) to the cause of cultural heritage. She was much       5    (young) than the other members in the conservation and research team at the Mogao Caves     6     leader was her father Chang Shuhong (1904 — 1994) ,a noted painter and director of the Dunhuang Academy. Chang has spent her entire life carrying on her father's     7     (commit) to Dunhuang. She applied the classic patterns     8     her own modern designs in a creative way after     9     (conduct) research into the variety of patterns found on the murals (壁画).

In the hope that more designers can understand and use the Dunhuang art patterns     10     (appropriate) ,the competition is also meant to spread Dunhuang culture, practice the “Silk Road Spirit" and promote cultural exchanges along with the Belt and Road Initiative.

【推荐2】阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。

A picture of 17-year-old Zhang Guimei has gone viral on China’s social media. The young girl     1     black-rimmed glasses and two short braids (辫子), who is now the much respected founder and president of the Huaping High School for Girls in Lijiang, was smiling     2     (bright).

Born in Heilongjiang Province in 1957, Zhang traveled to Yunnan at the age of 17 and has been helping girls from poor areas     3     (pursue) education for over 40 years.

Zhang helped establish the country’s first senior high school to offer free education to girls from poor     4     (family). Since its opening in 2008, it     5     (see) more than 1,800 students progress to universities and colleges.

Net users are deeply touched by the fresh-looking young face in the picture,     6     is far from Zhang’s now aged and lined face people are familiar with, as it tells a story of a woman who has devoted her life to     7     (promote) education and fighting poverty in rural areas. In July, 2020, the All-China Women’s Federation awarded Zhang a top honour for being     8     outstanding female role model in China.

On February 25, 2021, Zhang Guimei     9     (recognize) as one of the role models for poverty alleviation (扶贫), and received a     10    (nation) honorary title from President Xi Jinping at a commendation (嘉奖) conference.