Not only the students, but also the teacher listen to the lecture.() 此题为判断题(对,错)。
Not only the students, but also the teacher listen to the lecture.()
此题为判断题(对,错)。
相关考题:
Which of the following does the author cite in support of the quotation from the United Nations Scientific Committee on the Effects of Atomic Radiation?( )Ⅰ.Strontium 90 and carbon 14 become incorporated into the body and deliver radiation for an entire lifetime.Ⅱ.An abnormally high percentage of patients with arthritis of the spine who were treated with X rays contracted cancer.Ⅲ.A high incidence of cancer appeared among children of mothers who had been given prenatal pelvic X rays. A.Ⅰ only. B.Ⅰ,Ⅱ,and Ⅲ. C.Ⅰ and Ⅱ only. D.Ⅱand Ⅲ only.
类Teacher和Student是类Person的子类; Person p; Teacher t; Student s; //p, t and s are all non-null. if(t instanceof Person) { s = (Student)t; } 最后一句语句的结果是:()A.将构造一个Student对象;B.表达式是合法的;C.表达式是错误的;D.编译时正确,但运行时错误。
以下字符串定义错误的是___________。A.char s[7]="Teacher";B.char s[]="Teacher";C.char s[10]={"Teacher"};D.char s[10]="Teacher";
类 Teacher 和 Student 是类 Person 的子类; Teacher t; Student s; // t and s are all non-null. if (t instanceof Person ){ s=(Student)t; } 最后一条语句的结果是:A.将构造一个Student 对象;B.表达式是合法的;C.表达式是错误的;D.编译时正确, 但运行时错误。
声明并创建一个学生类Student的对象s,下列语法格式正确的是()。A.Student s = Student();B.Student s;C.Student s = new Student();D.Student s = new ();
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65A.students[1,'height']B.students.loc[2,'height']C.students.iloc[1, 1]D.students['height'][3]
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65A.students.loc[2,'height']B.students.iloc[1, 1]C.students[1,'height']D.students['height'][3]