the constitution act was introduced by brian mulroney to ensure canadians legal rights. ()
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内存分为RAM和ROM两种,断电时ROM的内容消失而RAM中的内容存在。()
二进制数10110111执行完一次算术右移指令SAR后变为01011011。()
on an average day,an overwhelming majority of britons over the age of 1 5 read a national or local paper. ()