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【单选题】
下面关于MapReduce的描述中正确的是?A.
MapReduce程序必须包含Mapper和Reducer
B.
MapReduce程序的MapTask可以任意指定
C.
MapReduce程序的ReduceTask可以任意指定
D.
MapReduce程序的默认数据读取组件是TextInputFormat
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举一反三
【单选题】Spring tides occur_____
A.
when the moon and sun have declination of the same name
B.
at the beginning of spring when the sun is over the equator
C.
only when the moon and sun are on the same sides of the earth
D.
when the moon is new or full
【单选题】Choose the best one among the given choices to explain the role of the underlined part in the sentence:She is a beautiful girl.
A.
object complement
B.
predicative
C.
adverbial
D.
attribute
【单选题】Spring tides are tides that（）.
A.
have lows lower than normal and highs higher than normal
B.
have lows higher than normal and highs lower than normal
C.
are unpredictable
D.
occur in the spring of the year
【单选题】Please choose the figure of speech employed in the sentence.She swims as fast as a fish.
A.
simile
B.
h yperbole
C.
u nderstatement
D.
p aradox
【简答题】您的车票票价不足,请补交1元。 您的车票过期了,车票只能当日使用。 您在进出站时都要正确刷卡,否则卡会被系统锁住。 故障票可以调换,但是因使用不当而损坏的卡不予调换。 您的卡内余额已超过10元,要付5%的手续费。
【单选题】In the sentence “ she rose to her feet in one swift movement ”, what does “swift” mean?
A.
short
B.
quick
C.
immediate
D.
hurry
【单选题】What are spring tides?
A.
High tides that occur in spring
B.
Low tides that occur in spring
C.
Tides associated with the perpendicular positioning of the Sun and Moon
D.
Tides associated with the alignment of the Sun and Moon
【简答题】现代海上保险发源于 ( ) 。
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