Chuando Tan is a famous photographer from Singapore. He used to be a model, too. Recently, he celebrated his 60th birthday. Many people online are surprised because he still looks very young.

Tan posted birthday photos and a message on the Internet. He said time is the best treasure. He also said he enjoys nature and sunlight every day.

Many fans left kind comments. They say Tan looks like he is only about 35 years old. Some people even joke that he never gets older.

Tan first became famous online in 2017. At that time, he was 51, but he looked much younger. People from all over the world wanted to know his secret.

1.1. Where is Chuando Tan from?

A China.

B Singapore.

C Japan.

D Canada.

解析：选B。B细节理解题。答案可以直接在文章第一句“Chuando Tan is a famous photographer from Singapore.”中找到。这句话明确指出了他的国籍是新加坡，因此正确答案是B。

2.2. What does Tan think is the best treasure?

A Money.

B Time.

C Photos.

D Friends.

解析：选B。B细节理解题。答案在文章第二段Tan的帖子内容中：“He said time is the best treasure.” 这句话直接说明他认为时间是最好的宝藏，因此正确答案是B。

3.3. The underlined word “They” in Paragraph 3 refers to ______.

A fans

B stars

C teachers

D singers

解析：选A。A词意指代题。解答此题需要看前一句话“Many fans left kind comments.”（许多粉丝留下了善意的评论）。紧接着下一句说“They say Tan looks like he is only about 35 years old.” 根据上下文逻辑，发出评论的是粉丝，因此“They”指代的就是前一句提到的“fans”（粉丝），所以正确答案是A。

4.4. What happened to Tan in 2017?

A He became famous online.

B He became a model.

C He took his best photos.

D He started exercising daily.

解析：选A。A细节理解题。文章第四段第一句明确写道：“Tan first became famous online in 2017.” 这句话说明他在2017年发生的事情就是“在网上走红”，因此正确答案是A。

5.5. What makes Tan look young?

A Fast cars.

B Much luck.

C Nice clothes.

D Good habits.

解析：选D。D细节理解题。文章最后一段提到：“He eats healthy food, exercises often and stays happy.”（他吃健康的食物，经常锻炼，并保持快乐）。这些都是他日常生活中的好习惯（Good habits）。因此，根据文章细节，正确答案是D。