问题
单项选择题
They''re the best team I''ve seen thus far, says ________men''s basketball coach Larry Brown.
A．American's
B．US
C．the USA
D．United State of America
答案
参考答案：B
解析：形近识别。A项的正确表达应为America's；C项应为USA；D项应为United States of America。
阻生，冠周无明显炎症。确定拔牙前应询问（）。