急性胃肠炎患者可出现( )
A．水样便B．黏液脓血便C．柏油样便D．灰白色便E．米泔样便
参考答案：A
—You’ve given us a wonderful Chinese dinner, Mrs Wang.
—_________. [ ]
A. I’m glad you enjoyed it
B. Oh, I’m afraid I didn’t cook very well
C. Come again when you are free
D. It’s not necessary for you to say so
下面各项中，哪一项不是标准的SQL语句______
A．ALTER TABLE
B．ALTER VIEW
C．CREATE TABLE
D．CREATE VIEW
