可升高血压，减慢心率的药物是()A．多巴酚丁胺 B．肾上腺素 C．麻黄碱 D．多巴胺

若存在实数p∈[-1，1]，使得不等式px²+（p-3）x-3＞0成立，则实数x的取值范围为______．

用所给词的适当形式填空

小题1:The garden is the best place _________(grow) flowers. Let’s ________(grow) some here.

小题2:Miss Gao is always ________(friend) to her students.

小题3:His mother asks him _________(study) hard.

小题4:This talk is about how ____________(learn) English well.

小题5: Mary lives on the        (twelve) floor.

小题6: It takes him two hours  _____  (finish)        (do) his homework.

小题7:Why don’t you _______(have) a break? You look so tired.

小题8: I would like to live in tall ________(build) because we can be close to our friends.

小题9:Your plan sounds really _______(wonder).

小题10:KFC and McDonalds are famous ________ (west) restaurants.

雅安市内河流以大相岭为分水岭，分为北部的青衣江水系和南部的大渡河水系，目前，正在兴建的瀑布沟水电站位于石棉县，大渡河上。[ ]

男，38岁。高处坠落伤后咯血、呼吸困难1天入院。体检：胸壁压痛，可扪及皮下气肿，右肺呼吸音消失，左肺呼吸音减弱。胸片示右肺不张，右肺门旁垂肺征。

应考虑下列哪项诊断（）

A.张力性气胸

B.支气管断裂

C.血气胸

D.支气管裂伤

E.闭合性气胸