符合小肠结肠炎耶氏菌的生物学性状是（）
A.球杆状
B.两极浓染
C.37℃有动力
D.25℃有动力
E.尿素酶阳性
参考答案：A, B, D, E
水在婴儿胃内排空时间是（）
A．半小时
B．1～1.5小时
C．2～3小时
D．3～4小时
E．4～5小时
Large quantities of solid fuel ______consumed every day and too much carbon dioxide is sent into the air, which in turn _______ the going up of temperature.
A．is; results in
B．are; results in
C．is; leads to
D．are; results from
