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【单选题】
镇痛作用较好的低频电流频率是:A.
1Hz
B.
10Hz
C.
20Hz
D.
50Hz
E.
100Hz
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【单选题】Those who trifle with you feel the____ of the storm.
A.
fury
B.
anger
C.
rage
D.
indignation
【单选题】What kind of people had the advantages among ancient ancestors?
A.
Those who could weave with threads.
B.
Those who possessed the highest level of language.
C.
Those who were creative in tool-making.
D.
Those who could play magic.
【单选题】Since the mid-1980's, growing numbers of Asians __ _ in New Zealand, and they ___about six percent of the total population．
A.
had settled; make of
B.
have settled; make up
C.
settled; make up of
D.
are settling; make up for
【简答题】有设计图纸了,为什么还要写设计说明?设计说明包括了什么内容? 对文字大小有没有要求?
【简答题】Scientists,those who are endowed with peculiar capability of thinking and ysis and with endless patience in observing and data collecting,always try hard to discern the nature and seek for the reg...
【单选题】Since mid July, many areas in Shaanxi continuous heavy rain, leading to frequent natural disasters.
A.
saw
B.
had seen
C.
has seen
D.
have seen
【单选题】Since the mid-19th century, the Whigs and the Tories became______.
A.
the Liberal Party and the Conservative Party
B.
the Liberal Party and the Republican Party
C.
the Democratic Party and the Republican Party
D.
the Democratic Party and the Conservative Party
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