1、判断题：
There are 50 states altogether. Among them, forty states form the contiguous states or the mainland of America and ten states form the non- contiguous territories.__________
选项：
A:错
B:对
答案: 【错】

2、判断题：
According to common knowledge, the Pacific Ocean is on the west coast, the Atlantic Ocean is on the east coast of the U.S. ._______________
选项：
A:错
B:对
答案: 【对】

3、判断题：
Surely, the state of Hawaii is to the northwest of Canada, and the state of Alaska is in the Pacific Ocean, southwest of California.._______________
选项：
A:对
B:错
答案: 【错】

4、判断题：
In addition to the 50 states, the US also includes Washington D.C. or District of Colombia and ten outlying territories.________________
选项：
A:错
B:对
答案: 【错】

5、判断题：
Since the date when independence from England was on July 4th, 1776, July 4th is the National Day in the United States of America. _______________
选项：
A:对
B:错
答案: 【对】

6、判断题：
Uncle Sam is a figure symbolizing the United States, and he’s portrayed as a tall, white-haired man with a goatee and he’s often dressed in red, white, and blue, and wears a top hat. ______
选项：
A:对
B:错
答案: 【对】

7、判断题：
Interestingly enough, each state in the US has its own two-letter abbreviation, for example, OK stands for Oklahoma..________________
选项：
A:错
B:对
答案: 【对】

8、判断题：
In the US, the major mountain ranges are the Rocky Mountains in the East and the AppalachianMountains in the West._______________
选项：
A:错
B:对
答案: 【错】

9、判断题：
Generally speaking, there are four regions in America, they are the Northeast, the Midwest, the South and the Northwest. _________________
选项：
A:错
B:对
答案: 【错】

10、判断题：
It is well-known that the three biggest cities in the United States of America are New York City, Los Angeles, and Las Vegas._______________
选项：
A:错
B:对
答案: 【错】