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【简答题】
设函数f(x)在(-∞，+∞)上连续且为偶函数，记 ， 证明F(x)也是偶函数．
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举一反三
【单选题】1.According to the passage, people who
watch a lot of TV__?
A.
succeed in school
B.
Harm their children
C.
have less time for enjoying walks out
【简答题】一般有几类状态参量?()
【多选题】下列关于石浦渔港古城说法正确的是( )。
A.
人称“城在港上，山在城中”
B.
其中的中街是一条保留最完整、古老、奇特、繁荣的商贸街
C.
位于宁海县
D.
有着800余年历史
E.
其中有14个展馆可了解当地文化
【简答题】What Does a Business Secretary Do? Generally speaking, a business secretary plays a very important role in a company. He or she has a lot of duties to fulfill. In many cases, a business secretary has ...
【单选题】According to the passage,a hobby may be_____ .
A.
one’s common activity in his office
B.
a kind of activity only for old people
C.
a kind of activity only for young people
D.
a kind of activity a person like to do in his free time
【简答题】形成液体黏性的主要因素是( ),随着温度的增高,液体的黏度( )。
【简答题】______________________: • Work weeks are 5 days, Monday to Friday, 8 hours per day, starting at 8:30 a.m. • The Secretary has one hour of paid time for lunch • The Secretary may be required to work ov...
【单选题】According to the passage,GFL doesn't allow any conduct that will ________.
A.
cause any noise to the environment
B.
produce waste in the communities
C.
waste more natural resources
D.
do harm to its customers
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