They are the students of ______.
A: grade 7
B: Grade 7
C: 7th grade
D: Grade 7th
A: grade 7
B: Grade 7
C: 7th grade
D: Grade 7th
举一反三
- -What class are you in? -I’m ____. A: in class 3, grade 7 B: in Class 3, Grade 7 C: class 3, grade 7 D: Class 3, Grade 7
- The most common division between primary and secondary education in the US is ___________.（ ） A: primary schools (Grade 1 to Grade 6) and middle schools (Grade 7 to Grade 12) B: elementary schools (Grade Kindergarten to Grade 8) and high schools (Grade 9 to Grade 12) C: elementary schools (Grade Kindergarten to Grade 3), middle schools (Grade 4 to Grade 6) and high schools (Grade 7 to Grade 12) D: grammar schools (Grade Kindergarten to Grade 6) and high schools (Grade 7 to Grade 12)
- 在“学生-课程”数据库中，当定义SC表时对字段Grade进行约束：Grade SMALLINT CHECK (Grade>=0 AND Grade<=100)，如果SC表中原有记录('201215121','7',92)，那么当执行"UPDATE SC SET Grade=Grade+10"时，数据库和DBMS将___________。 A: SC表数据不变，DBMS报错不允许更新 B: 记录('201215121','7',92)更新为('201215121','7',100)，DBMS提醒Grade值不能超过100 C: 记录('201215121','7',92)更新为('201215121','7',NULL)，DBMS提醒Grade值不能超过100 D: SC表数据不变，DBMS显示语句语法正确
- （4分） public class Hello9 { public static void main(String args[]) {int 分数=75; String grade; switch(分数/10) { case 10 : case 9: grade="优"; break; case 8: grade="良"; break; case 7: grade="中"; break; case 6: grade="及"; break; default: grade="差"; } System.out.println("成绩等级："+grade); }}程序的输出结果为：
- Which grade were they in? A: Grade 8 B: Grade 9 C: Grade 10 D: Grade 11