题目内容

在进行毒理学安全性评价时,试验方法和操作技术的标准化是决定评价结果是否可靠的关键所在,目前试验方法和操作技术标准化最具代表性的是()。

A. GLP和SOP
B. GMP和SOP
C. GLP和ISO
D. GMP和ISO
E. GLP和GMP

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青年女性蛋白尿患者,诊断首先应注意排除

A. 糖尿病肾病
B. 高尿酸血症性肾病
C. 原发性肾小球肾炎
D. 肾淀粉样变
E. 狼疮性肾炎

A company is using 6to4 tunneling within their IPv6 network. Which two statements about this kindof tunneling are accurate?()

A. 6to4 is a manual tunnel method
B. Prepending a reserved IPv6 code to the hexadecimal representation of 192.168.0.1 facilitates6to4 tunneling
C. Each 6to4 site receives a /48 prefix in a 6to4 tunnel
D. 2002::/48 is the address range specifically assigned to 6to4
E. Prepending 0x2002 with the IPv4 address creates an IPv6 address that is used in 6to4tunneling

有电阻值都为R的2个电阻相并联的电路,已知电路两端的电压为6V,并联电路中主干线上的电流为4A,那么每个电阻上的电压降就是()V。

A. 1
B. 1.5
C. 3
D. 6

简述食品包装的纸类材料的包装性能。

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