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It was the summer of 1936.The Olympic Games were being held in Berlin.I had trained, sweated and disciplined myself for 6 years on the running broad jump.A year before, as a college student at the Ohio State, I'd set the world's record of 26 feet 8 1/4 inches.Nearly everyone expected me to win. I was in for a surprise . When the time came for the broad-jump trials(选拔赛), I was shocked to see a tall boy hitting the pit (坑) at almost 26 feet on his practice leaps.He turned out to be a German named Luz Long.He had easily qualified for the finals on his first attempt. A nervous athlete is an athlete who will make mistakes.I fouled (犯规)twice on my qualifying jumps.Walking a few yards from the pit, I kicked at the dirt disgustedly.Suddenly I felt a hand on my shoulder.I turned to look into the friendly blue eyes of Luz Long.'Hi, I'm Luz Long.I don't think we've met.' 'Glad to meet you,' I said.Then, trying to hide my nervousness, I added, 'How are you?' 'I'm fine.Something must be eating you.You should be able to qualify with your eyes closed.' He said. He seemed to understand my nervousness, and took pains to reassure me.Finally, seeing that I had calmed down somewhat, he said, 'What does it matter if you're not the first in the trials? Tomorrow is what counts.' All the tension left my body as the truth of what he said hit me.Confidently I qualified with almost a foot to spare. Luz broke his own record and pushed me on to a peak performance.The instant I landed from my final jump—the one which set the Olympic record of 26 feet 5 1/16 inches—he was at my side, congratulating me. 小题1:The author said ' I was in for a surpris e' because he _____. A.beat Luz Long B.met a great competitor C.qualified for the final D.joined in the Olympic Games 小题2:What can we learn about the author from the passage? A.He remained confident in the Olympic Games. B.He had qualified for the finals on his first attempt. C.He broke the world record of the running broad jump. D.He had prepared for Berlin Olympics in Ohio State. 小题3:What is the passage mainly about? A.A memorable experience in the Olympics. B.A reliable man in the Olympic Games. C.A surprising result in the Olympic Games. D.A good suggestion on how to win in the Olympics
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【判断题】劳力性呼吸困难见于左心衰竭。
A.
正确
B.
错误
【简答题】(本小题满分12 分) 已知正方体 , 是底 对角线的交点. 求证:(1) ∥面 ; (2) 面 .
【单选题】以下关于C语言函数参数传递方式的叙述正确的是 。
A.
数据只能从实参单向传递给形参
B.
数据可以在实参和形参之间双向传递
C.
数据只能从形参单向传递给实参
D.
C语言的函数,参数既可以从实参单向传递给形参,也可以在形参和实参之间双向传递,可视情况选择使用
【简答题】(本小题10分)已知正方体 , 是底 对角线的交点. 求证:(1) ∥面 ; (2 ) 面 .
【单选题】.以下关于C语言函数参数传递方式的叙述正确的是
A.
数据只能从实参单向传递给形参
B.
数据可以在实参和形参之间双向传递
C.
数据只能从形参单向传递给实参
D.
C语言的函数参数既可以从实参单向传递给形参,也可以在实参和形参之间双向传递,可视情况选择使用
【单选题】第 23 题(本题:1分) 以下关于C语言函数参数传递方式的叙述正确的是
A.
数据只能从实参单向传递给形参
B.
数据可以在实参和形参之间双向传递
C.
数据只能从形参单向传递给实参
D.
C语言的函数参数既可以从实参单向传递给形参,也可以在实参和形参之间双向传递,可视情况选择使用
【单选题】以下关于 C 语言函数参数传递方式的叙述正确的是 ______ 。
A.
数据只能从形参单向传递给实参
B.
数据可以在实参和形参之间双向传递
C.
数据只能从实参单向传递给形参
D.
C 语言的函数参数既可以从实参单向传递给形参,也可以在实参和形参之间双向传递,可视情况选择使用
【单选题】船舶发生火灾后,按照灭火程序,发现者的行动首先是()。
A.
立即灭火
B.
控制火势
C.
防护周围
D.
大声呼叫
【单选题】货币政策工具主要包括( )等一般性政策工具。
A.
贴现率和再贴现率
B.
利率、汇率和贴现率
C.
利率、汇率和存款准备金率
D.
存款准备金率、再贴现率和公开市场业务
【简答题】(本小题满分12分) 棱长为1的正方体 中,P为DD 1 中点,O 1 、O 2 、O 3 分别为面 、面 、面 的中心。(1)求证: 。 (2)求异面直线PO 3 与O 1 O 2 所成角的余弦值。
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