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【单选题】
已知定义在R上的函数f(x),其导函数f′(x)的大致图象如图所示,则下列叙述正确的是(  )
A.
f(b)>f(c)>f(d)
B.
f(b)>f(a)>f(c)
C.
f(c)>f(b)>f(a)
D.
f(c)>f(b)>f(d)
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参考答案:
举一反三
【单选题】Four hundred dollars for just a pair of shoes? You ______ be joking!
A.
may
B.
can
C.
can’t
D.
must
【简答题】链接页面的两种打开方式是? (target属性值)
【简答题】one hundred and ninety-four dollars
【单选题】I cannot afford the color TV set. To me, four hundred dollars ______ a lot of money.
A.
is
B.
are
C.
was
D.
were
【单选题】旋转成型是哪个命令?
A.
revolve
B.
loft
C.
plug bevel
D.
boundary
【单选题】( )旋转成型是哪个命令?
A.
revolve
B.
bft
C.
plugbevel
D.
boundary
【单选题】Four hundred dollars for a pair of shoes, you __________ be joking! [     ]
A.
may
B.
can
C.
need
D.
must
【单选题】Four hundred dollars for a pair of shoes? You _____ be joking! [     ]
A.
may
B.
can
C.
need
D.
must
【判断题】理论竞赛穿插实践内容,实践技能竞赛先考理论,这是一种不伦不类的做法。
A.
正确
B.
错误
【单选题】- How much did the salesmen ________ for this machine? - Almost four hundred dollars. [     ]
A.
paid
B.
charged
C.
cost
D.
order
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