双腿承重。当人体双腿承重时，重心线在两腿之间。不能将双腿同时画于重心线一侧，否则人体姿态不成立，表现的人体会有向一侧倾倒的感觉。
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鹰嘴突是肘部的主要关节，尺骨连接着小手指一侧的手腕。
A. 对
B. 错
Which of these three things are true of Thomas Jefferson?
A. The second President of the USA
B. the third President of the USA
C. The primary author of the Declaration of Independence
D. The Commander of the Colonial army during the French-Indian war
E. One of four men whose heads are carved on Mount Rushmore
The 13 Colonies...
A. fought against the British in the French-Indian War
B. were all founded in order to gain religious freedom
C. were all located on the Atlantic Seacoast
D. The colonies known as New England were located at the northern end of the 13 colonies
E. The colony of New York was originally founded by the Dutch
The President of the United States
A. chooses the Vice President
B. is elected by groups of electors chosen in each state
C. is chosen based on being the leader of the political party which has the most seats iin the House of Representatives
D. is elected for a term of 6 years
E. is the head of state of the USA
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