【单选题】The blue arrows in the figure show【图片】
【简答题】电路如图所示,C点接地,已知ε 1 =2.15V,r 1 =0.1Ω;ε 2 =1.9V,r z =0.2Ω;ε 3 =5V,r 3 =1Ω;R 1 =R 2 =2Ω.试求: (1)各支路中的电流; (2)A、B两点间的电势差; (3)A点的电势.
【单选题】which is wrong about the cells(the arrows show):
A.
location on the suce of bone tissue
B.
layer of cuboidal or low columnar cell
【单选题】which structure the arrows show?
B.
diffuse lymphoid tissue
【单选题】The blue arrows in the figure of infective endocarditis show【图片】
A.
vegetations on the tricuspid valves
B.
vegetations on the aortic valves
C.
vegetations on the mitral valves
D.
vegetations on the pulmonary valves