單項(xiàng)選擇題
A.腸便秘B.腸臌氣C.腸痙攣D.消化不良
A.苯酚B.甲酚C.復(fù)合酚D.以上都不是
A.B細(xì)胞B.T細(xì)胞C.K細(xì)胞D.NK細(xì)胞
A.35B.36C.37D.39
A.3~5hB.4~6hC.8~10hD.12~24h
A.20%B.30%C.40%D.50%
A.2%B.3%C.4%D.5%
A.1~2B.3~5C.7~9D.8~10
A.1B.2C.3D.4
A.0.5~1%B.1~2%C.2~3%D.3~5%