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【判断题】
根据2016年7月新调整后发布的《中长期铁路网规划》,到2020年,中国铁路网规模将达到15万公里,其中3万公里。届时中国将建成以“八纵八横”主通道为骨架、区域连接线衔接、城际铁路补充的现代高速铁路网。A.
正确
B.
错误
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【单选题】Becasuse of a long drought, the farmer was ______ about the prospect of a good yield.
A.
alarmed
B.
uncertain
C.
unlikely
D.
suspended
【单选题】If the Europeans thought a drought—a long period of dry weather—was something that happened only in Africa, they know better now. After four years of below-normal rainfall (in some cases only 10 perce...
A.
They know more about the causes of the drought.
B.
They have a better understanding of the drought in Africa.
C.
They have realized that the drought in Europe is the most serious one.
D.
They have realized that droughts hit not only Africa but also Europe.
【单选题】The long drought was followed by months of____.
A.
famine
B.
tame
C.
fancy
D.
fatigue
【单选题】But sometimes , no rain falls for a long , long time. Then there is a dry period , or drought .
A.
旱灾
B.
天灾
C.
水灾
【简答题】已知n是自然数，而n 2 -19n+91的值是完全平方数，求n．
【单选题】But sometimes, no rain falls for a long, long time. Then there is a dry period, or drought .
A.
洪涝
B.
干旱
C.
枯萎
D.
丰收
【简答题】甲数是m，比乙数的3倍多n．表示乙数的式子是______．
【简答题】求满足1+3+5+…+n＞500的最小自然数n.
【单选题】After a long drought, heavy rain is expected______most of the area for the rest of the week.
A.
on
B.
above
C.
between
D.
throughout
【单选题】The long absence of rain _______ leads to a serious drought in the southwest of China, which draws the concerns of the whole country.
A.
immediately
B.
accidentally
C.
gradually
D.
undoubtedly
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