A.half an hours
B.half a hour’s
C.half an hour’s
D.half a hours’
第1题:
Did you see him _____ out of the classroom?
A、has walked
B、to walk
C、walked
D、walk
第2题:
查询学生表S的全部记录并存储于临时表文件one中的SQL命令是( )。
A.SELECT*FROM学生表INTO CURSOR one
B.SELECT*FROM学生表To CURSoR one
C.SELECT*FROM学生表INTO CURSOR DBF one
D.SELECT*FROM学生表TO CURSOR DBF one
第3题:
Sam Scott and his sister Ann are students. Sam(11) school by bus, and Ann does, too.
Some of(12)walk(走) to school.Sam and Ann (13) at four o'clock in the af- ternoon. They (14) before dinnerc晚饭前),and they watch TV after dinner. They u- sually(15 early(早).
Sam and Ann (16) three meals(饭) a day :breakfast, lunch and dinner. They.have breakfast at home.(17) they have lunch (18) school. They often eat dinner at home.Mr Scott (19) from( 20) at five and they have dinner at six.
( )11.
A. go to
B. go to the
C. goes to
D. goes to the
第4题:
现有学生社团管理数据库,其中包括基本表如下: 学生(学号,姓名,所在系); 社团(社团编号,名称,成立时间,社长),其中社长由该社团中学生担任; 参加(学号,社团编号,参加时间,职务),其中若不担任任何社团职务,属性“职务”为空; 若要查询参加了学生“李明”所参加的所有社团的学生学号、姓名和所在系,正确的SQL语句是()。
A.SELECT * FROM 学生, 参加 WHERE 参加.学号=学生.学号 AND 姓名='李明;#B.SELECT * FROM 学生 S1 WHERE 学号 IN (SELECT 学号 FROM 参加 WHERE 社团编号 IN (SELECT 社团编号 FROM 参加, 学生 WHERE 参加.学号=学生.学号 AND 姓名='李明'));#C.SELECT * FROM 学生 S1 WHERE NOT EXISTS (SELECT * FROM 参加 P1, 学生 S2 WHERE P1.学号=S2.学号 AND S2.姓名='李明' AND NOT EXISTS (SELECT * FROM 参加 P2 WHERE P2.学号=S1.学号 AND P2.社团编号=P1.社团编号));#D.SELECT * FROM 学生 S1 WHERE EXISTS (SELECT * FROM 参加 P1, 学生 S2 WHE第5题:
查询学生表 S 的全部记录并 存储 于临时表文件 one 中的 SQL 命令是
A)SELECT * FROM 学生表 INTO CURSOR one
B)SELECT * FROM 学生表 TO CURSOR one
C)SELECT * FROM 学生表 INTO CURSOR DBF one
D)SELECT * FROM 学生表 TO CURSOR DBF one
第6题:
FROM (53)
A.R
B.S
C.RS
D.R,S
第7题:
设有类定义如下:
class InOut{
String s= new String("Between");
public void amethod(final int iArgs){
int iam;
class Bicycle{
public void sayHello(){
//Here
}
}
}
public void another(){
int iOther;
}
}
以下哪些语句可以安排在//Here处 ?
A. System.out.println(s);
B.System.out.println(iOther);
C. System.out.println(iam);
D. System.out.println(iArgs);
第8题:
I __________ along the street when he shouted at me.
A. walked
B. was walking
C. walk
第9题:
第10题:
以下塑料覆盖温室由小到大顺序排列,正确的是()
A.low tunnels,walk-in tunnels,large plastic houses
B.walk-in tunnels,low tunnels,large plastic houses
C.large plastic houses,walk-in tunnels,low tunnels
D.以上都不正确