产前系列检查一般从何时开始
A.确诊为早孕B.孕8周C.孕16周D.孕20周E.孕24周
参考答案:D
电动吸引洗胃法,一次灌入胃内洗胃液过多,会造成()
A.胃内压降低,毒物吸收减少
B.胃内压升高,毒物吸收减少
C.胃内压降低,反射性心跳骤停
D.胃内压升高,引起反射性心跳加快
E.胃内压迅速降低,毒物吸收增加
—Do you know Peter?
—He's a tall kid ________ short hair. [ ]
A. with
B. of
C. has
D. had