单项选择题

GSM900第68号频点的中心频率是上行903.6MHz，下行998.6MHz。
A、正确
B、错误

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单项选择题

____ come before anything else. As a result, it is not uncommon for an Emirati to reschedule or cancel something to accommodate their needs or wishes.

A．Teachers
B．Boss
C．Colleagues
D．Family and friends

单项选择题

Which of the following is correct as a sentence?

A．The place where I grew up.
B．I drove slowly past the old brick house, the place where I grew up.
C．I drove slowly past the old brick house and the place where I grew up.
D．I drove slowly past the old brick house; The place where I grew up.