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【简答题】
已知函数 f(x)=x3+x2-x+1 ,讨论该函数的单调性、极值、凹凸性及拐点。
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举一反三
【单选题】某企业技术员刘某,因涉嫌间谍罪被有关部门立案侦查,随即被依法逮捕。下列说法正确的是:( )
A.
该案应由公安机关立案侦查
B.
该案应由人民检察院立案侦查
C.
对刘某的逮捕应由人民检察院批准
D.
对刘某的逮捕应由公安机关执行
【单选题】My aunt forgot _____. [ ]
A.
where she first met John
B.
where did she first meet John
C.
where she first meets John
D.
where does she first meet John
【单选题】Why did people fear being fat?Because________．
A.
fat was a feminist issue
B.
girls，boys，old people were falling victim of fat fear
C.
even the famously well-rounded women of Fiji were falling victim of fat fear
D.
they worried about the way they looked
【单选题】Under a big tree _______, half asleep.
A.
did sit a fat man
B.
a fat man sat
C.
did a fat man sit
D.
sat a fat man
【单选题】某企业技术员刘某,因涉嫌间谍罪被有关部门立案侦查,继而被依法逮捕。下列说法正确的是( )。
A.
该案应由公安机关立案侦查
B.
该案应由人面检察院立案侦查
C.
对刘某的逮捕应由人民检察院批准
D.
对刘某的逮捕应由公安机关执行
【简答题】Who is your idol? Write a short passage introducing your idol, including his/her name, gender, age, etc. Explain why you choose this person as your idol. Attach a picture/video clip of your idol here.
【单选题】某企业技术员,因涉嫌间谍罪被有关部门立案侦查,继而被依法逮捕,下列说法正确的是()
A.
该案应由公安机关立案侦查
B.
该案应由人民检察院立案侦查
C.
对刘某的逮捕应由人民检察院批准
D.
对刘某的逮捕应由公安机关执行
【单选题】— Where did they fi nish the experiment? — It was in the lab _______ was taken charge of by Prof. Smith.
A.
where
B.
/
C.
which
D.
in whcih
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