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【单选题】
商品，为用于交换而生产的劳动产品称为商品。下列不属于商品的选项是（ ）。A.
在房前种植的供自己吃的蔬菜
B.
养鸡专业户喂养的鸡
C.
家用液化气
D.
店里卖的黄金项链
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【单选题】听力原文：M: Excuse me! Do you mind if I sit here? W: Not at all. Go ahead. M: Thank you. W: Are you going somewhere, or are you meeting someone? M: I'm on my way to Washington. And you? W: I'm on my way t...
A.
At the airport.
B.
In a restaurant.
C.
On the street.
【单选题】可以实现定义触发器操作的 SQL 语是
A.
CREATE DOMAIN
B.
CREATE TRIGGER
C.
CREATE ROLE
D.
CREATE ASSERTION
【简答题】Python提供了身份比较运算符( 1 )和( 2 )来测试两个变量是否指向同一个对象。
【单选题】听力原文：M: If you had waited until after the Christmas holidays, you could have bought that dress for much less. W: I know that, but I needed it immediately. I had an important meeting to attend. Q: What...
A.
They are discussing how to celebrate the coming Christmas holidays.
B.
They are discussing whether the woman should buy the new dress.
C.
They are discussing when the woman will attend the meeting.
D.
They are discussing what to do after the Christmas holidays.
【简答题】注: Task 2 为线上作业,需要同学们学习完成景区解说部分后,按下面提示完成任务 Please fill in the blanks with key points to attract your tourists' attention. If you are the tour guide, you would like to introduce the scenic spot as foll...
【单选题】可以实现定义触发器操作的SQL语是
A.
CREATE ASSERTION
B.
CREATE TRIGGER
C.
CREATE ROLE
D.
CREATE DOMAIN
【单选题】听力原文：W: If you're going to the airport, what about our dinner? M: I'll meet you for dinner after I've been to the airport. What are they going to do together?
A.
To go to the airport.
B.
To go to a meeting.
C.
To have dinner.
【单选题】Python提供了两个对象身份比较运算符()和()来测试两个变量是否指向同一个对象。
A.
True , False
B.
is,is not
C.
Equal, Not Equal
D.
== , !=
【简答题】Python提供了两个对象身份比较运算符 ()和()来测试两个变量是否指向同一个对象。通过内置函数()来测试对象的类型;通过()运算符判断两个变量指向的对象的值是否相同。
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