B．To show that they are under great stress.

C．To find a way to increase disease­fighting cells.

D．To prove that gratitude is good for people's health.

解析：选D　推理判断题。第三段以对法学学生的实验结果为证，证明了感激对身体健康有益。

9．Which of the following can replace the underlined word "recruits" in Paragraph 5?

A．Beats. B．Collects.

C．Prevents. D．Changes.

解析：选B　词义猜测题。由画线词之前的"Being thankful has such a big effect because of the feelings that go along with it"可知， 感激起作用是因为它调集了其他积极的情感。recruit此处意为"调集、获取"。

10．What does Norman say about gratitude?

A．It encourages comparing up.

B．It makes one much younger.

C．It is a skill that can be learned.

D．It is up to one's attitude to their lives.

解析：选C　推理判断题。由倒数第二段"...but it is a habit you can get used to ..."和最后一段"Norman says all you have to do is think about being grateful."可知，Norman认为感激是种能够被习得的技能。

Ⅱ.阅读七选五

Audrey Hepburn was born in Belgium in 1929.She liked to spend time with her father. Perhaps he was not a warm father, but he was joyous and joked a lot. He had his horses, spoke 13 languages, and would take her gliding (滑翔)．__1__ When she was six, Audrey's father walked out.

It was the first major blow in her life. From then on, Audrey's childhood was unsettled. Her mother decided that it might be a good idea for her to learn English, so she sent her to a boarding school.__2__ She felt like an outsider, but she learned English.

Very soon the war broke out. Audrey's mother sent for Audrey to join her in Holland. They were taken in by Audrey's wealthy grandfather. Within a year, the Nazis turned against the Dutch. Then there was no heating, no school and no food.__3__ She showed remarkable resilience (迅速恢复的能力) during the war.

Audrey made her performance debut (初次表演) by dancing in wartime Holland. She didn't know how long the war was going to last, so she went to ballet (芭蕾舞) school and learned to dance.__4__ After the war ended, Audrey carried on with her ballet training. In 1951, a famous French writer was looking for a leading lady for her best­loved novel.__5__ Audrey was to take America by storm.

A．And then everything changed.

B．Yet, Audrey's spirit shone through.

C．But it was difficult for Audrey to fit in.

D．When she saw Audrey, she famously said, "I've found my Gigi！"

E．It played an important role in making her more famous than ever.