Smith always（）a lot of things to do during the voyage.

A、A.has

B、B.have

C、C.there is

D、D.there are

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更多“Smith always（）a lot of things to do during the voyage.”相关的问题

第1题

[] The stainless steel bars are painted by（）.

A、A.lot B、B.lots C、C.a lot D、D.the lots

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第2题

[简答题] Smith和John玩数字匹配游戏，每个人选择1、2、3，如果数字相同， John给Smith 3美元，如果不同，Smith给John 1美元。列出收益矩阵。

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第3题

[] 如果参与者以1/3的概率选择每一个数字，证明该混合策略存在一个纳什均衡，它为多少？

A、Smith和John玩数字匹配游戏，每个人选择1、2、3，如果数字相同，John给Smith3美元，如果不同，Smith给John1美元。

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第4题

[单选题] 下列哪个语句查出雇员表（employees）里的雇员名字（ename）是‘SMITH’的信息，并且给雇员名字（ename）列定义一个别名Name（）。

A、select employeesno，ename Name，job from employees where ename=‘SMITH’ B、select employeesno，ename ‘Name’，job from employees where ename=SMITH C、select employeesno，ename “Name”，job from employees where ename=‘SMITH’ D、select employeesno，ename ‘Name’，job frome mployees wheree name=‘SMITH’

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第5题

[判断题] Mr. Smith isn't available.This sentence means Mr. Smith is free and not busy.

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第6题

[单选题] Examine the description of the EMPLOYEES table: Which statement produces the number of different departments that have employees with last name Smith?（）

A、SELECT COUNT(*) FROM employees WHERE last_name='Smith'; B、SELECT COUNT(dept_id) FROM employees WHERE last_name='Smith'; C、SELECT DISTINCT(COUNT(dept_id)) FROM employees WHERE last_name='Smith'; D、SELECT COUNT(DISTINCT dept_id) FROM employees WHERE last_name='Smith'; E、SELECT UNIQUE(dept_id) FROM employees WHERE last_name='Smith';

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第7题

[单选题] I wonder if Henry will come to the party at 8:00 sharp as he's promised. （）

A、The party won‘t start until 8:00. B、Thank you for having the party for me. C、Don‘t worry. He always keeps his word. D、The party must cost a lot.