已知△ABC中,D、E分别是AB、AC边上的中点,且DE=3cm,则BC=____cm.
①人民的生存权、发展权得到保障 ②公民的政治、经济和文化权利得到保障
③少数民族的权利得到保障 ④我国的人权主张为世界各国所接受
根据句意及首字母提示补全单词。(1)Four people are in my f____ . They are my parents, my sister and I.(2)Mr. Li wants to b____ a pair of pants in the clothes store.(3)—Could you help me with my English?—No p____ . (4)The boy is my uncle's son. He is my c____ .(5)—How do you say 6:15 in English?—It's a quarter p____ six.
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