6. Who was the first U.S. president to visit China?
A) Richard Nixon
B) Jimmy Carter
C) George H.W. Bush
D) Bill Clinton
Answer: A) Richard Nixon
7. Which of the following countries is not a permanent member of the United Nations Security Council?
A) China
B) France
C) Russia
D) Germany
Answer: D) Germany
8. Which of the following is the smallest continent in the world by land area?
A) North America
B) Asia
C) Europe
D) Australia
Answer: D) Australia
9. Which of the following countries has the largest economy in the world by nominal GDP?
A) Japan
B) China
C) United States
D) Germany
Answer: C) United States
10. Who was the first person to walk on the moon?
A) Neil Armstrong
B) Buzz Aldrin
C) Yuri Gagarin
D) Alan Shepard
Answer: A) Neil Armstrong
