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【单选题】
超声波治疗疾病的最基本机制是（）A.
温热作用
B.
空化作用
C.
非热效应
D.
微细按摩作用
E.
压强作用
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举一反三
【单选题】It can be inferred from the passage that which of the following has been a factor influencing the extent to which research on mycorrhizal fungi has progressed?
A.
Lack of funding for such research.
B.
Lack of immediate application of such research.
C.
Difficulties surrounding laboratory production of specimens for study.
D.
Lack of a method for identifying mycorrhizal fungi.
【单选题】It can be inferred from the passage that which of the following has been a factor influencing the extent to which research on mycorrhizal fungi has progressed?
A.
lack of funding for such research
B.
lack of immediate application of such research
C.
difficulties surrounding laboratory production of specimens for study.
D.
lack of a method for identifying mycorrhizal fungi
【简答题】中国十大名花中草本的是 、 、 、 。
【单选题】It can be inferred from the passage that which of the following has been a factor influencing the extent to which research on mycorrhizal fungi has progressed?
A.
Lack of funding for such research
B.
lack of immediate application of such research
C.
difficulties surrounding laboratory production of specimens for study.
D.
lack of a method for identifying mycorrhizal fungi
【单选题】It can be inferred from the passage that which of the following is not a factor in the explanation of why The Feminine Mystique was received more positively in the United States than was The Second Se...
A.
By 1963 political conditions in the United States had changed.
B.
Friedan's book was less intellectual and abstract than Beauvoir's
C.
Readers did not recognize the powerful influence of Beauvoir’s book on Friedan's ideas.
D.
Friedan's approach to the issue of women's emancipation was less radical than Beauvior's.
【单选题】Which of the following can be external negative factor?
A.
Toxic mental state
B.
Lack of vigilance
C.
Negative friends
D.
Adoption of friend's thought
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