6~14岁小儿贫血的标准()
A.Hb<150g/L
B.Hb<145g/L
C.Hb<120g/L
D.Hb<110g/L
E.Hb<90g/L
参考答案:D
视频客车信息系统由前部显示(),内部显示()组成。
When Helen saw her tutor nod ______ to her, she calmed down and went on with her performance .
A.encouragingly
B.amazingly
C.interestingly
D.accordingly