题目内容

Born in a 1_____________ neighborhood, Les Brown was later 2________ by Mamie Brown. When the 3__________ opportunities for his future looked slim to others, he still had great passion for his dream—he was 4_________ to be a DJ. He 5_________ his friends with his constant practicing. They all 6_______ him but Les didn’t let their 7________ stop him. One day Les decided to take the 8_________ and boldly went to the manager of the local radio station to apply for a job. Being bluntly rejected, Les didn’t give up though and returned to the station every day for a week. His 9____________ was very persuasive, and the station manager finally gave in and took Les Brown 10____ to do small tasks—at no pay.

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While hanging out with the station’s real DJs, Les 1______________ himself their posture and hand movements on the control panel. When he stayed around the studio he 2_________ up whatever knowledge he could. One afternoon when the DJ named Rock was sick and none of the regular DJs were3_________, Les got his chance. Because of his preparation, Les was ready. He had 4_______ the audience and heard applause from his general manager. From that fateful beginning, Les was 5_________ to become an 6______ in broadcasting, politics, public speaking and television.

麻痹性肠梗阻疼痛的特点是()

A. 持续性绞痛
B. 持续性胀痛
C. 阵发性绞痛
D. 持续性剧痛伴阵发性加重
E. 钻顶样剧痛

单纯性肠便阻与绞窄性肠梗阻的主要区别是()

A. 梗阻的病因
B. 梗阻的时间
C. 梗阻的严重程度
D. 肠管壁有无血运障碍
E. 有无并发症

实二次型的规范形中,正平方项的个数为正惯性指数。

A. 对
B. 错

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