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[主观题]

Patrons at a certain restaurant can select two of three appetizers—fruit, soup, and salad—

along with two of three vegetables—carrots, squash, and peas.What is the probability that any patron will select fruit, salad, squash, and peas?

A.1/2

B.1/3

C.1/6

D.1/9

E.1/12

提问人:网友yourkeychen 发布时间:2022-01-06
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更多“Patrons at a certain restauran…”相关的问题
第1题
There are only two ways to gather information from human subjects about what they are curr
ently doing, thinking, or feeling. One way is to【C1】______ what they do, the technique of observation; the【C2】______ is to ask them, the technique of surveys. Many【C3】______ included in each type of technique【C4】______ several advantages and【C5】______ . Firms frequently use【C6】______ techniques to minimize【C7】______.

There is a great variety of observational studies. A researcher stands near the entrance【C8】______ a theatre and observes the approximate age and sex of patrons【C9】______ the theatre during certain times of the day and days of the【C10】______. Researchers comb through the garbage【C11】______ of Arizona residents to【C12】______ what is being thrown【C13】______ and, by inference from packages,【C14】______ is being bought. Toy manufacturers watch【C15】______ behind one-way mirrors to see how children【C16】______ to and play【C17】______ prototypes(样品) of toys they are thinking of introducing. Observers in public places -- airports,【C18】______ offices -- watch to see【C19】______ subjects read newspapers and magazines. Researchers call【C20】______ households and take a "pantry audit" to learn the quantity and brands of certain items on the kitchen or bathroom shelves.

【C1】

A.notice

B.see

C.discover

D.watch

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第2题
The management would like to inform. patrons that the ATM on the second floor is currently
out of ______.

A.line

B.control

C.order

D.date

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第3题
Who will be served in the meeting?

A、salesmen

B、the general manager

C、VIP patrons

D、telephone operators

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第4题
In the last paragraph, the word "patrons" probably means______.A.professional peopleB.acad

In the last paragraph, the word "patrons" probably means______.

A.professional people

B.academic researchers

C.librarians

D.readers

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第5题
Mr. Brown is a successful and reputable lawyer with a large number of ________.

A.patrons

B.clients

C.supporters

D.customers

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第6题
Les patrons sont très gentils ______ les clients.

A.et

B.pour

C.avec

D.sur

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第7题
Metropolitan Museum asks its patrons to ------- refrain from making loud conversation in t
he exhibition rooms not to disturb other visitors.

A.kind

B.kindly

C.kindlier

D.kinder

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第8题
If patrons have Central Library materials due to be returned while it is closed, which of
the following method is recommended?

A.Leaving materials in the Central Library's outside depositories

B.Renewing materials through the Central Library's website

C.Calling a branch library on December 25th

D.Mailing the materials to the Central Library

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第9题
Many of Wordsworth‟s poems in his Lyrical Ballads were devoted to____.

A、his patrons

B、Queen Victoria

C、landless peasants

D、Coleridge

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第10题
In paragraph 5, why does the author mention religious and academic institutions?A.To show

In paragraph 5, why does the author mention religious and academic institutions?

A.To show how effective Internet blocking software can be.

B.To illustrate that filters may fail to block harmful sites.

C.To explain what types of research sites library patrons use.

D.To show that the blocking software may target the wrong sites.

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