题目内容
当说明一个结构体变量时系统分配给它的内存是( )。
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对结构体类型的变量的成员的访问,无论数据类型如何都可使用的运算符是()。A:.B:->C:*D:&
对于以下的变量定义，哪个表达式不符合C语言语法。（）struct node{int len;char *pk;}x={2,"right"},*p=&x;
Listen to a short passage and fill in the blanks with the exact words you hear.[音频]People joke that no one in Los Angeles reads; everyone watched TV, rents videos, or goes to the movies. The most popular reading materials are 1)_______books, movie magazines, and TV guides. City libraries have only 10 percent of the 2)_____ that car washes have. But how do you explain this? A yearly book festival in west Los Angeles is 3)_______ “sold out”year after year. People wait half an hour for a parking space to become 4)_____.This outdoor festival, supported by a newspaper, takes place every April for one weekend. This year,about 70,000 people 5)_____ the festival on Saturday and 75,000 on Sunday. the festival 6)_____ 280 exhibitors. There were about 90 talks given by authors, with an 7)_____ question-and-answer period following each talk. A food court sold all kinds of local foods, from hot dogs to ice drinks. Except for a $ 7 parking fee, the festival was 8)______. Even so, some people take their own sandwiches and drinks to avoid the high prices of the court.The idea for holding the festival in Los Angeles was 9)_____ years ago, but nobody knew if it would succeed. Although book festivals were already popular in other US cities, would people in this city 10)_____ one? "Fortunately, they do," said one of the festival founders.
103.K值是指ATP分解的肌苷和次黄嘌呤低级产物占ATP系列分解产物的百分比。主要适用于鉴定( )早期腐败。
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