嗜酸性粒细胞增多见于
A．长期应用糖皮质激素
B．伤寒
C．副伤寒
D．支气管哮喘
E．病毒性肝炎
参考答案：D
根据情境，给下列句子排序
( ) It's 7:00. Time for breakfast.
( ) What would you like for breakfast?
( ) Good morning, Li Ming and Jenny.
( ) I would like cereal, please.
( ) Good morning, Mrs. Smith! What time is it?
打雷放电时，空气中极少量的氧气(O2)会转变成臭氧(O3)，该变化属于_______变化。氧气和臭氧________（填“是”或“不是”）同种物质。
