单项选择题

SIM卡的数据有：固化数据和临时网络数据
A、正确
B、错误

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单项选择题

Which of the following is not an essential component of the eukaryotic initiation stage of translation?()

A．40S ribosome
B．eIF2
C．GTP
D．N-formylmethionyl-tRNAfMet

函数的图形与它的反函数的图形关于直线对称.

答案：正确