既能用于支气管哮喘，又能用于心源性哮喘的药物是 A．肾上腺素 B．吗啡 C．异丙肾上

Unsatisfied ______with the payment ,he took the job just to get some work experience.

A．though was he

B．though he was

C．he was though

D．was he though

周杰伦的MV《枫》和刘畊宏的哪首歌曲的mv共同组成了一个完整的故事（）

A.《心痛心动》 

B.《十一月的肖邦》 

C.《彩虹天堂》 

D.《心灵交战》

孟子主张人“性善说”，荀子则主张人“性恶说”。

在95～105℃范围其他挥发成分的食品其水分测定不宜选择的方法是（）

A.直接干燥法

B.蒸馏法

C.卡尔•费休法

D.减压蒸馏法

A rectangular circuit board is designed to have width叫inches, perimeter p inches, and area k square inches. Which of the following equations must be true ？（）

A．ω2+pω+k=0

B．ω2-pw4+2k=0

C．2ω+pw+2k=0

D．2ω-pω-2k=0

E．22ω-pw+2k=0