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<单选题>The economy of the United states after 1952 was the econnomy of a well-fed,almost fully employed people Despit occasional alarms, the country escaped any postwar depression and lived in a state of boom A n economic survey of the year 1955, a typical year of the 1950’s, may be typical as illustrating the rapid economic growth of the decade The national output was value at 10 percent above that of 1954 (1955 output was estimated at 392 billion dollars) The production of manufacturers was about 40 percent more than it had averaged in the years immediately following World War 2 The country’s business spent about 30billion dollars for new factories and machinery National income available for spending was almost a third greater than it had been it had been in 1950 Consumers spent about 256 billion dollars; that is about 700 million dollars a day ,or about twenty-five million dollars every hour , all round the clock Sixty-five million people held jobs and only a little more than two million wanted jobs but could not find them Only agriculture complained that it was not sharing in the room To some observers this was an ominous echo of the mid-1920’s As farmer’s shre of their products declined , marketing costs rose But there were , among the observers of the national economy, a few who were not as confident as the majority Those few seemed to fear that the boom could not last and would eventually lead to the oppsite-depression （100分）100 分 (1) [单选] （20分） What is the best title of the passage 解析
<单选题>字符串"vm\\x43\\\\\\np\\102q"的长度是解析
<单选题>在if语句中，用作判断的表达式为解析
<单选题> 解析
<单选题>以下表达式值为3的是解析
<单选题>若有代数式3ae/bc，则不正确的C语言表达式是解析
<单选题>若有条件表达式(exp)? A++: b--，则以下表达式中能完全等价于表达式(exp)的是解析
<单选题>设x和y均为逻辑型变量，则x && y为真的条件是解析
<单选题>每个C程序中都必须有且仅有一个解析
<单选题>若给定条件表达式(m)?(a++): (a--),则其中表达式m 解析
<单选题>下列是C语言的有效标识符? 解析
<单选题>C语言中，表示一条语句结束的标号是解析
<单选题>在以下关于C语言的注释的叙述中，不正确的是解析
<单选题>下列合法的标识符为解析
<单选题>以下叙述不正确的是解析

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