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【单选题】
B型超声波诊断仪应用了以下哪些技术除了（）A.
声呐原理
B.
雷达技术
C.
电子技术
D.
激光技术
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皮皮学刷刷变学霸
举一反三
【简答题】()是现代舞必须表现出的基本观念。A. 答案：对人生存态度的反思 B. 答案：对社会矛盾的抨击 C. 答案：对美好生活的向往 D. 答案：对人性的批判
【单选题】In my hometown, there is always a harvest supper for the farmers after all the wheat ____ cut.
A.
will have been
B.
was
C.
will be
D.
has been
【简答题】三凹征指 、 、 的凹陷。
【单选题】·重庆】25. In my hometown, there is always a harvest supper for the farmers after all the wheat____ cut.
A.
will have been
B.
will be
C.
was
D.
has been
【单选题】Because agriculture is so important to a nation's well-being, governments have always been concerned with it. For example, the United States and Canada have long produced surpluses that complicate the...
A.
they throw the country into great disorder
B.
they entail more expenditure on the part of the government
C.
they usually involve direct governmental support price
D.
the government has to set up special pricing systems
【单选题】【2015·重庆】In my hometown, there is always a harvest supper for the farmers after all the wheat____ cut.
A.
will have been
B.
will be
C.
was
D.
has been
【单选题】In my hometown, there is always a harvest supper for the farmers after all the wheat____ cut.
A.
will have been
B.
will be
C.
was
D.
has been
【单选题】Farmers have always had a particular interest in the weather, because it ( ) their work.
A.
accelerates
B.
effects
C.
affects
D.
exerts
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