自动喷水灭火系统的配水干管、配水管应做红色或红色环圈标志。
参考答案:对
唐太宗反复强调“存百姓”的思想,其实质是()
A.争取民心,稳定社会秩序
B.维护封建正常统治秩序
C.以百姓利益为施政核心
D.增强国力,恢复社会经济
Thank you for your letter of November 4, ______ which you offered us 3,000 tea-set on the following terms and conditions. ( )
A.from
B.of
C.in
D.to