A Chinese Structural Biologist

本文介绍了生物学家颜宁回国发展的情况， 以及她对未来进行的规划。

Yan Ning， a Chinese structural biologist left Princeton University and returned to help build a medical academy in Shenzhen， Guangdong province.

Yan used to be one of the youngest professors at Tsinghua University. She has won many awards for her studies on protein （蛋白质） at home and abroad.

Yan is going to help set up the Shenzhen Medical Academy of Research and Translation （SMART）. It focus on several fields， including scientific research， student cultivation （培养） and financial （资金的） support. Set to be finished in 2025， it aims to be a world⁃famous medical research academy by the middle of this century. Its director will be chosen worldwide.

Yan said she wanted to support more excellent scholars and deal with health problems humans are facing. For her， Shenzhen is an energetic place where anything is possible. “Shenzhen is the city of dreams， and I want to realize my next dream here， ” Yan said in a speech.

Yan’s return can be seen as a case of China paying great attention to developing the careers （事业） of talented people. The country gives good chances， which have made many overseas （海外） students and talents return.

China has taken action to attract global talent. At the beginning of this year， the Ministry of Science and Technology made a policy to encourage companies to hire （聘请） high⁃level foreign experts.

难点解读：

一、Yan used to be one of the youngest professors at Tsinghua University. 颜曾经是清华大学最年轻的教授之一。

本句涉及的语法是used to的用法， 主要如下：

（一）定义

used to意为“过去常常……”， 后跟动词原形， 只谈过去发生的事情，强调与现在的对比， 暗示现在不做了。

（二）句型

1. 肯定形式： used to do sth. 过去常常做某事，例如：

Grace used to watch a lot of TV.

格雷丝过去常看很多电视。

used to be过去曾是……，例如：

The boy used to be kind of short.

这个男孩过去有点矮。

2. 否定形式：used not to / didn’t use to，例如：

I didn’t use to be popular in school.

我过去在学校不受欢迎。

3. 一般疑问句形式： Used...to...？ / Did use to...？

Used...to...？答语：Yes， 主语 + used to. / No， 主语 + usedn’t to.

Did use to...？答语：Yes， 主语 + did. / No， 主语 + didn’t.

例如：Used he to like tests？ 他过去喜欢考试吗？

Yes， he used to. 是的， 他过去喜欢。

No， he usedn’t to. 不， 他过去不喜欢。

例如：Did he use to wear glasses？ 他过去戴眼镜吗？

Yes， he did. 是的， 他戴。

No， he didn’t. 不，他不戴。

（三）知识拓展：与used to相关的其他短语

1. be / get used to doing sth. 表示“习惯于做某事”， 其中to为介词， 后接名词、代词或动名词。例如：

My grandma is used to getting up early. 我奶奶习惯早起。

2. be used to do sth. =be used for doing sth. 表示“被用来做某事”， 其中to为不定式符号， 后接动词原形。例如：

Pens are used to write. = Pens are used for writing. 钢笔是用来写字的。

二、Yan’s return can be seen as a case of China paying great attention to developing the careers （事业） of talented people. 颜的回国可以看作是中国非常重视人才的一个案例。

can be seen 表示“可能被看见”，是情态动词的被动语态形式， 其结构为：情态动词 + be + 及物动词的过去分词……。主动形式为：see... as... 把……" " 看作是……。含有情态动词的被动语态各种句型结构如下：

肯定句：主语 + 情态动词 + be + 及物动词的过去分词（+ by...）

否定句：主语 + 情态动词 + not + be + 及物动词的过去分词（+ by...）

一般疑问句：情态动词 + 主语 + be + 及物动词的过去分词（+ by...）

特殊疑问句：特殊疑问词 + 含有情态动词的被动语态的一般疑问句

例如：

1. Teenagers should be allowed to choose their own clothes.

应该允许青少年自己选择衣服。

2. The pet dog must be taken good care of in the pet shop.

宠物店一定要好好照顾宠物狗。

3. The dictionary can’t be used in the exam.

这本字典不能在考试中使用。

4. The test must be finished during the test time.

测试必须在测试时间内完成。

5. The ears of the pet pigs shouldn’t be pierced when they are so young.

宠物猪这么小的时候耳朵不应该被刺穿。

跟踪练习：

1. According to paragraph 1， we can know that Yan is .

A. a biologist" " B. a singer

C. a dancer D. a student

细节理解题。根据“Yan Ning， a Chinese structural biologist left Princeton University.”可知颜宁是生物学家。故选A。

2. Where did Yan Ning work before her return？

A. Tsinghua University in China.

B. Princeton University in the US.

C. Ministry of Science and Technology.

D. A medical academy in Shenzhen.

细节理解题。根据“Yan Ning， a Chinese structural biologist left Princeton University and return to help build a medical academy in Shenzhen， Guangdong province. ”可知颜宁离开普林斯顿大学， 回到广东深圳帮助建立一所医学院， 因此之前是在普林斯顿大学工作。故选B。

3. What do we know about SMART？

A. It only focuses on medical research.

B. It will choose the director worldwide.

C. It will be finished building this year.

D. It was built a few years ago.

细节理解题。根据“ Its director will be chosen worldwide. ”可知SMART将在全世界范围选择负责人。故选B。

4. Yan Ning chose to move to Shenzhen because .

A. Shenzhen is the richest city in China

B. she was born in Shenzhen

C. Shenzhen is an energetic city

D. Shenzhen has more excellent scholars

细节理解题。根据“ For her， Shenzhen is an energetic place where anything is possible. ”可知对颜宁来说， 深圳是一个充满活力的地方， 在这里一切皆有可能。故选C。

5. What can we infer from the story？

A. More Chinese students will study abroad.

B. China will give chances to the homeless people.

C. Yan Ning’s return discouraged many overseas talents.

D. More high⁃level foreign experts may come to China.

推理判断题。根据“At the beginning of this year， the Ministry of Science and Technology made a policy to encourage companies to hire （聘请） high⁃level foreign experts. ”可知今年年初， 科学技术部制定了鼓励企业聘请高水平外国专家的政策， 因此更多高水平的外国专家可能会来中国。故选D。

（作者单位 ：江苏省盐城市新洋第二实验学校）