题目内容

Which organs are central immune organs()

A. Spleen
B. Lymph nodes
C. Lymph tissue
D. Thymus
E. Bone marrow

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What part of lymph nodes do B cells reside in()

A. Lymphoid follicle
B. peripheral lymphoid sheaths
C. Paracortex
D. Cellular cords
E. Central arterial

Following description about immunity , which is NOT correct()

A. Immunity can protect our body from disease
B. Only microbes can induce immune system to produce immunity
C. Animal serum can stimulate human immune system to produce immunity
D. All immunities are benefit to our body
E. Baby can get immunity from mother

Where do B cells generated in()

A. Spleen
B. Lymph nodes
C. Lymph tissue
D. Thymus
E. Bone marrow

number = 30
if number % 2 == 0:
print()number = 30
if number % 2 == 0:
print()

A. 30 is multiple of 3
B. 30 is even
C. 30 is even 30 is multiple of 3
D. 程序出错

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