CaCl2(782℃)，ZnCl2(215℃) 解释熔点不同原因：---------

契丹建国是在(). A: 902 B: 904 C: 906 D: 907

同一个MSC下，整个切换过程由（）共同完成 A: MS、BTS、BBC、MSC B: BTS、BBC、MSC C: BTS、BBC D: MS、BTS、BBC

石灰石煅烧理论温度为（） A: 100-101℃ B: 165-190℃ C: 907℃ D: 940-1200℃

BBC One and BBC Three are the flagship channels of BBC.

Which of the following about the BBC is NOT true? A: The BBC is run under a Royal Charter since its establishment. B: Today the BBC provides more radio broadcasting than television output. C: The BBC provides not only national broadcasting service but also world service. D: The BBC is a private corporation.

Which of the following about the BBC is NOT true? A: There is no advertising on any of the BBCprogrammes. B: The BBC is funded by license fees paidby people who possess television sets C: The BBC has four channels. D: The BBC provides the World Servicethroughout the world.

‍Which of the following four statements about British Broadcasting Corporation is false?‎ A: It is sometimes referred to as “Auntie” or “the Beeb”. B: The stated mission of the BBC is "to inform, educate and entertain". C: The motto of the BBC is "Nation Shall Speak Peace Unto Nation". D: BBC One and BBC Three are the two flagship channels of BBC television channels.

BBC

8421BCD码(0111 1001 0010)译成十进制是__________ A: 322 B: 792 C: 682 D: 782