单项选择题

控制支气管哮喘气道炎症最重要的药物是 A.H1受体离子通道阻断剂B.长效β受体激动剂###SX

A.H1受体离子通道阻断剂
B.长效β受体激动剂
C.白三烯调节剂
D.茶碱
E.糖皮质激素

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单项选择题

Which statement is correct according to the passage?（）

A．The elephant is the largest animal in the world.
B．Male elephants all live independently.
C．Baby elephants are looked after by their female families.
D．An elephant family has mothers, grand-mothers and fathers.

单项选择题

What is the best title for the story?（）

A．A Greek Legend
B．Legend of the Greek Boxer, Melankomas
C．Melankomas's Unique Boxing Style
D．Remarkable Olympic Athlete