第16题: [单项选择]以下选项中可以作为C语言中合法整数的是 ______。 A. 10110B B. 0386 C. 0Xffa D. x2a2 参考答案:C 答案解析:[解析] C语言中整型常量有3种表示形式:十进制、八进制和十六进制。选项A是二进制表示,错误;八进制的数字是0、1、2、3、4、5、6、7,选项B错误;十六进制整数常量用0X开头,选项D错误。
第17题: [单项选择]Risk of collision exists when an approaching vessel has a(n)(). A. generally steady bearing and decreasing range B. generally steady range and increasing bearing C. increasing range and bearing D. decreasing bearing only 参考答案:A
第25题: [单项选择]Another important factor ______ in choosing the place is the availability of coal in ample quantities. A. for considering B. to be considered C. for being considered D. to consider 参考答案:B 答案解析:不定式to be considered表示“要考虑”,作factor的定语,同时factor又是consider的逻辑主语,与之是受动关系,所以用不定式被动式。此句译为:“选择地点时要考虑的另一个重要