A:Li是最活泼金属,F是最活泼非金属
B:Mg(OH)2碱性比Ca(OH)2强
C:X2+的核外电子数目为18,则X在第三周期第ⅡA族
D:元素周期表有7个主族,7个副族,1个0族,1个Ⅷ族,共16族
I have a good friend in my class. His name is Jim. He is from England. He is in China with his parents. He likes China. He likes Chinese food very much. He has breakfast at home. He eats an egg. bread and milk for breakfast. He doesn't like fish. He has lunch at home. The lunch in his school is delicious. He can have different kinds of food for lunch. He eats rice, meat and vegetables. Sometimes he has noodles and dumplings. He has supper at home with his friends. Sometimes he goes out to eat with his friends. He has meat , vegetables and fruit for dinner.
I think high school students should pocket money.
阅读下列材料,回答问题:
材料一:“鸦片流毒天下,则为害甚巨……中原几无可以御敌之兵,且无可以充饷之银。”
材料二:“大将西征人未还,湖湘子弟满天山。新栽杨柳三千里,引得春风度玉关。”
材料三:“此日漫挥天下泪,有公足壮海军威。”﹣﹣光绪