A) be taking place C) be taken placeB) take place D) have taken place A: take place B: be taking place C) be taken place C: have taken place

下列语句均为类定义成员变量定义，其中合法的语句是（ ）。 A: string _string; B: string @string; C: string string; D: string _;

The arrangements are all _____ for the concert next Thursday. A: in place B: on place C: in the place D: on the place

You can use milk __________ cream in this recipe. A: at place B: at place of C: in place D: in place of

By the time you get back, great changes _____ in this area. A. will take place B. will be taken place C. are going to take place D. will have taken place A: will take place B: will be taken place C: are going to take place D: will have taken place

PCB编辑器的设计界面中菜单栏中能实现公英制单位转换的菜单是（ ） A: View－Toggle Units B: Design-Rules C: Design-Netlist D: Place-String

声明一个有3个元素的String类型的数组，不正确的是 A: String[] str = new String[3]; B: String str[] = new String[3]; C: String [] str = new String[3]; D: String[3] str = new String();

Great changes___________20 years ago. A: took place B: takes place C: are taken place D: is taken place

主方法的参数类型是 A: String[] B: String C: string[] D: string

下列字符串中非法字符串为( )。 A: ’a string’ B: ’It is a’string’.’ C: ”a string” D: ”It is a’string”