It's too hot. Do you mind ____ the window? [ ]
A. my closing
B. my opening
C. open
答案:B
中国古代艺术家所追求的美的境界是()
肺内压等于大气压是指
A.吸气初和呼气初B.吸气末和呼气末C.吸气初和呼气末D.呼气末和呼气初E.以上都不是