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【单选题】
连接在电路任一节点的各支路电流的的代数和为( )。A.
0
B.
1
C.
2
D.
3
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举一反三
【单选题】There is a kind of immune cell above the basal cell layer, which has the ability of phagocytosis and processing and transmitting antigen of contact allergy, called:
A.
Langerhans' cell
B.
Keratinocyte
C.
Melanocyte
D.
Merkel cell
【单选题】An individual nerve cell usually has a large cell body and a __________ nucleus.
A.
cohesive
B.
immature
C.
conscientious
D.
conspicuous
【单选题】The cell that has the strong phagocytosis is( )
A.
macrophage
B.
fibroblast
C.
plasma cell
D.
mast cell
E.
mesenchymal cell
【单选题】Crystal CsCl has simple cubic unit cell，in one cell there is(are)( )
A.
2 Cs + and 2 Cl -
B.
one Cs + and one Cl -
C.
4 Cs + and 4 Cl -
D.
8 Cs + and 8 Cl -
【单选题】Which cell has the ability to differentiate?
A.
hepatocyte
B.
myocardiocyte
C.
renal cell
D.
embryonic cell
【单选题】The cell membrane has ___________ to recognize other cells
A.
cell surface markers
B.
hairs
C.
nanochips
D.
transport proteins
【单选题】P71. "学生基本情况"表中用OLE对象字段保存照片,应使用向导为该表创建窗体时,"照片"字段所使用的空间是
A.
绑定对象框
B.
图像
C.
文本框
D.
未绑定对象框
【简答题】Young Japanese people are evolving a new lifestyle for the 21st century based on the cell phones that few are now able to live without. While about one-third of Japanese primary school students aged 7...
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