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【多选题】
自然保护区通常可分为A.
内 围区
B.
核心区
C.
缓冲区
D.
外围区
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【单选题】以下程序输出的结果是( )。 def person(name, age, **kw): print('name:', name, 'age:', age, 'other:', kw) person('Jack ', 35, city='Beijing')
A.
name: Jack age: 35 other: {'city': 'Beijing'}
B.
name: Jack age: 35 other: city='Beijing'
C.
name: Jack age: 35 other: ('city': 'Beijing')
D.
name: Jack age: 35 other: ('city', 'Beijing')
【简答题】已知 为常数， ，在区间 上的最大值是2，则
【单选题】I'm sorry we haven't seen each other for years . I can't _______ your name at the moment . [ ]
A.
think up
B.
think about
C.
think over
D.
think of
【简答题】已知 为常数，函数 在区间 上的最大值为2，则 ＝ .
【简答题】已知 ，其中 、 为常数，且 ，若 为常数，则 的值为 .
【单选题】Chinese people place a person’s family name before the given name, _______ people in many other countries do the opposite.
A.
but
B.
and
C.
however
D.
while
【单选题】The difference between the name of a service company and those of other companies is that
A.
the products are tangible but services are not.
B.
the name of a service company is a company's image but the names of other companies are not.
C.
customers are loyal to brand names of products but are not to names of services.
D.
brand names can help service companies to expand their business but cannot help other companies in this aspect.
【单选题】To other birds, cuckoos have a bad name because______.
A.
they eat other birds' babies
B.
they get paid without work
C.
they expel other birds' chicks
D.
they lay eggs in their own nests
【简答题】已知 为常数，若 则求 的值.
【简答题】Name a certain product that is exported to other countries.
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