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【单选题】
对组胺H2受体具有阻断作用的药物是A.
哌仑西
B.
西咪替丁
C.
雷贝拉唑
D.
西沙比利
E.
以上都不是
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反馈参考答案：
举一反三
【判断题】The basal layer of the epidemis contains special cells called melanocytes, which contains a blac k pigment called melanin.
A.
正确
B.
错误
【单选题】_____ is the final stage of urine production occurring when the special cells of the renal tubules secrete ammonia, uric acid, and other waste substances directly into the renal tubule.
A.
Filtration
B.
Reabsorption
C.
Secretion
D.
Evacuatio n
【简答题】什么是荷载效应组合？有地震作用组合和无地震作用组合表达式是什么？
【单选题】Which layer of the epidermis contains special cells called melanocytes.
A.
stratum basale
B.
stratum granulosum
C.
stratum lucidum
D.
stratum corneum
【单选题】Special cells, ____, in the epidermis produce the black pigment that gives color to the skin and protects against damage from the ultraviolet rays of the sun.
A.
melanocytes
B.
erythrocytes
C.
leukocytes
D.
phagocytes
【简答题】( ) The sun negatively affects special cells that protect the body. This is erous because those cells are very important to the immune system, and they fight infections.
【简答题】什么是荷载效应组合?有地震作用组合和无地震作用组合表达式是什么?
【单选题】The basal layer also contains special cells called_______, which produce black pigment that gives color to the skin.
A.
adipocyte
B.
epithelium
C.
keratin
D.
melanocytes
【单选题】The firemen were ______ the lost people. [ ]
A.
looking
B.
searching
C.
searching for
D.
finding
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