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简述无线传感器网络系统工作过程。
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【单选题】In one very long sentence, the introduction to the U. N. Charter expresses the ideals and the common aims of all the people whose governments joined together to form. the U. N. 'We the people of the U...
A.
to promote social progress
B.
to prevent a third world war
C.
to revise international laws
D.
to maintain international peace
【单选题】The word 'deeper' in Paragraph 1 is closest in meaning to '______'.
A.
heavier
B.
louder
C.
stronger
D.
happier
【简答题】________ is one of the five working language at U. N., which ________ are very proud of. [A] The Chinese, the Chinese [B] Chinese language, Chinese [C] Chinese, the Chinese [D] Chinese language, the C...
【单选题】The story tells us that______.
A.
the sun is No. 1
B.
the moon is No. 1
C.
everyone has his strong point, so they should help each other
【简答题】n. [C] a very strong belief or opinion 坚定的信仰(主张)
【简答题】c(____) n. [C] a long deep valley with very steep sides made of rock
【简答题】n. 1 [C, U] the quality of being lively and original 生气;活力2 [C] a very small piece of burning material 火花;火星
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