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【简答题】
设函数 f(我)= 2 -我 我∈(-∞，1) 我 2 我∈[1，+∞) 若f（我）＞4，则我的取值范围是______．
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反馈参考答案：
举一反三
【简答题】A．develop B．produce C．build D．grow
【简答题】The Tower of Yunshanshengdi was a two-storied building in the palace area. And the steps upwards are hidden in the rockeries.
【简答题】What's the definition of logistics? In a narrow sense, logistics is the flow and storage of goods from the point of origin to the point of consumption.
【单选题】It ______ the workers about 20 months to build the Huhang highspeed railway.
A.
took
B.
spent
C.
cost
D.
paid
【单选题】Tengwang tower is a nine-storied structure at 57.5 meters _____
A.
highly
B.
high
C.
height
D.
in height
【单选题】The hospital opened 5 years ago. It _____ for 5 years. [ ]
A.
opened
B.
opens
C.
has been open
D.
has opened
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