1.1. Youth Day in China is on ________ 4th.

A

B

C

D

解析：选May。May 细节理解题。文章第一句“China celebrates Youth Day on May 4th every year.”明确指出中国青年节在五月四日。故填May。

2.2. The May Fourth Movement took place in ________ (year).

A

B

C

D

解析：选1919。1919 细节理解题。文中的“It honors the May Fourth Movement of 1919.”提到五四运动发生在1919年。故填1919。

3.3. Young people should study hard and ________ new things to carry on the spirit.

A

B

C

D

解析：选learn。learn 细节理解题。根据“Today’s young people should carry on this spirit. They need to study hard and learn new things.”可知，年轻人应努力学习新事物来传承这种精神。故填learn。

4.4. Youth Day is for all young people in China.

A

B

C

D

解析：选F。F 细节理解题。文中的“This day is for young people aged 14 to 28.”说明青年节是针对14到28岁的年轻人，并非所有中国年轻人，所以该句错误，写F。

5.5. The May Fourth Movement only brought new knowledge to society.

A

B

C

D

解析：选F。F 细节理解题。根据“The movement also brought new ideas and knowledge to society.”可知，五四运动不仅带来新知识，还带来新思想，所以该句错误，写F。

6.6. The spirit of the May Fourth Movement encourages scientific thinking.

A

B

C

D

解析：选T。T 细节理解题。根据“The movement encouraged scientific thinking and smart ways to solve problems.”可知，五四运动的精神鼓励科学思维，所以该句正确，写T。