初产妇,阴道分娩后近2小时,主诉肛门有坠胀感,主管护士首先应警惕可能发生了
A. 阴道血肿
B. 尿潴留.
C. 肛裂
D. 痔疮
E. 便秘
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____ is now known as the “Entertainment Capital of the World.”
A. New York
B. San Francisco
C. Los Angeles
D. Las Vegas
_________________ is the American national anthem.
A. "God Save the Queen"
B. "The Star-Spangled Banner"
C. "In God Is Our Trust"
D. " My country, 'tis of thee"
The United States of America is a/an __________.
A. constitutional monarchy
B. absolute monarchy
C. federal republic
D. autonomous republic
The Niagara Falls are located on the U.S. and Canadian boundary between Lake ____ and Lake _____.
A. Superior... Huron
B. Michigan... Huron
C. Huron ...Erie
D. Erie...Ontario
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