5名学生排成一排,则学生甲在乙的左边的排法种数是( ) A.120 B.60 C

题型:选择题

问题:

5名学生排成一排,则学生甲在乙的左边的排法种数是(  )

A.120

B.60

C.48

D.24

考点:排列与组合
题型:选择题

按要求完成下列句子。

1. They usually go to the shop on foot. (改为同义句)

    They usually _______ _______ the shop.

2. She has seven lessons every day. (对划线部分提问)

    ______ ______ lessons ______ she ______ every day?

3. Li Lei likes English best. (对划线部分提问)

    ______ _______ does Li lei like best?

4. She usually goes to Qingdao by sea. (改为否定句)

    She _______ goes to Qingdao by sea.

5. There are some children in the park. (改为一般疑问句)

     _______ _______ _______ children in the park?

6. Take the first turning on the left. (改为同义句)

     ______ ______ at the first turning.

7. His box is round. (对划线部分提问)

    ______ ______ is his box?

8. When he was six, he went to school. (改为同义句)

    _______ _______ _______ _______ six, he went to school.

9. He enjoyed himself at the party. (改为同义句)

    He _______ ______ _______ _______ at the party.

10. He is here day and night. (改为同义句)

      He is here _______ _______.

题型:选择题

下列物质的化学式,书写正确的是(  )

A.氧化镁OMg

B.氧气O2

C.氯酸钾KClO3

D.硫化锌SZn

题型:选择题

简述货物运输保险的除外危险范围。

题型:选择题

在SQL中,关系模式被称为“基本表”,存储模式被称为“存储文件”,子模式被称为“视图”。下列说法不正确的是( )。

A.基本表是实际存储在数据库中的表
B.视图是若干个基本表或其他视图构成的子集
C.一个基本表不能跨越多个存储文件,同理,一个存储文件也不能存放多个基本表
D.用户可以用SQL语句对视图和基本表进行查询等操作

题型:选择题

个人汽车贷款受理和调查中的风险不包括( )。

A.借款申请人户籍所在地不在贷款银行所在地区
B.担保物不易变现
C.不以履约保证保险的投保资格调查为依据,造成重复调查
D.抵押物的权属证明材料有涂改现象

更多题库