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【单选题】
传播媒介是微小牛蜱的是（）。
A.
卵形巴贝斯虫和环形泰勒虫
B.
瑟氏泰勒虫和卵形巴贝斯虫
C.
双芽巴贝斯虫和牛巴贝斯虫
D.
环形泰勒虫和瑟氏泰勒虫
E.
牛巴贝斯虫和瑟氏泰勒虫
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【单选题】Scientists in India have invented a new way to produce electricity．Their invention does not get its power from oil, coal or other fuels．It produces electricity with the power of animals．India has abou...
A.
Indian energy officials.
B.
Scientists in India.
C.
Officials in the United Nations.
D.
Researchers in Europe.
【单选题】Passage FourVegans try to live, as much as possible, in a way that avoids exploiting and being cruel to animals. This means following a plant-based diet. Vegans do not eat animals or animal-based prod...
A.
Eggs.
B.
Honey.
C.
Milk.
D.
Potatoes.
【单选题】经血液途径传播的是
A.
HBV、HGV、HCV、HDV
B.
HAV、HBV、HCV
C.
HBV、HCV、HDV、HEV
D.
HEV、HAV
E.
HAV、HEV、HGV
【单选题】通过把违反社会规范者公诸于众而形成社会舆论，这体现了大众传播社会功能中的（）。
A.
环境监测功能
B.
社会协调功能
C.
文化传递功能
D.
娱乐功能
【单选题】两列沿相反方向传播的相干波,其表达式为y1=Acos2π(νt-x/λ)和y2=Acos2π(νt+x/λ)。叠加后形成驻波,其波腹位置的坐标为
A.
x=±kλ
B.
x=±(2k+1)λ/2
C.
x=±kλ/2
D.
x=±(2k+1)λ/4
相关题目：
【单选题】Scientists in India have invented a new way to produce electricity．Their invention does not get its power from oil, coal or other fuels．It produces electricity with the power of animals．India has abou...
A.
Indian energy officials.
B.
Scientists in India.
C.
Officials in the United Nations.
D.
Researchers in Europe.
【单选题】Passage FourVegans try to live, as much as possible, in a way that avoids exploiting and being cruel to animals. This means following a plant-based diet. Vegans do not eat animals or animal-based prod...
A.
Eggs.
B.
Honey.
C.
Milk.
D.
Potatoes.
【单选题】经血液途径传播的是
A.
HBV、HGV、HCV、HDV
B.
HAV、HBV、HCV
C.
HBV、HCV、HDV、HEV
D.
HEV、HAV
E.
HAV、HEV、HGV
【单选题】通过把违反社会规范者公诸于众而形成社会舆论，这体现了大众传播社会功能中的（）。
A.
环境监测功能
B.
社会协调功能
C.
文化传递功能
D.
娱乐功能
【单选题】两列沿相反方向传播的相干波,其表达式为y1=Acos2π(νt-x/λ)和y2=Acos2π(νt+x/λ)。叠加后形成驻波,其波腹位置的坐标为
A.
x=±kλ
B.
x=±(2k+1)λ/2
C.
x=±kλ/2
D.
x=±(2k+1)λ/4
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