举一反三
- A wall dividing two cavities, such as the chambers of the heart, it is called: A: septum B: membrane C: Endosteum D: tunic
- In the following description of the heart wall structure, the WRONG option is A: The heart wall consists of endocardium, myocardium and epicardium. B: The surface of endocardium is covered by endothelium. C: Purkinje fibers are distributed in the subendocardial layer of the ventricle (心室). D: Myocardium consists mainly of smooth muscle fibers. E: Epicardium is serosa.
- The wall epidermis is composed of ( ). A: The white line of the hoof B: The paries corneus C: The external layer D: The middle layer E: The internal layer
- The power of the female heart remains undiminished between the ages of 18 and 70 probably because _________. A: women almost lose no contractile muscle cells in the walls of their hearts B: women's oestrogen has a protective effect on their heart C: the size of their heart chambers is different from men's D: the thickness of the female heart's muscular wall is different from men's
- What are the five layers in the Internet protocol stack? What are the principal responsibilities of each of these layers?
内容
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But these are just layers and my job is to peel away those layers to______ the similarities between us.
- 1
The five layers of the OSI reference model can be divided into two categories: upper layers and lower layers.
- 2
Which of the following is true statement relating to the meninges? A: The dura mater is composed of a dense fibrous connective tissue. B: The dura mater around the brain is single-layered. C: Venous sinuses occur between the two dural layers around the spinal cord. D: The most superficial meninx is the arachnoid membrane.
- 3
The wall of pollen grain is divided into two layers. A: primary wall and secondary wall B: pectin layer and primary wall C: outer wall and inner wall D: pectin layer and secondary wall
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Musical novels are ______. A: novels composed by lyrics (抒情词句). B: novels composed by notes and melodies. C: novels composed by musical band. D: novels composed by some musical techniques.