下列加粗词语的拼音全部正确的一项是[ ] A.褶(zhě)皱劫(jié)难 B.遗骸 发布时间:2017-03-25 17:40 │ 来源:www.tikuol.com 题型:选择题 问题: 下列加粗词语的拼音全部正确的一项是[ ]A.褶(zhě)皱 劫(jié)难B.遗骸(hái)蟾蜍(yú)C.两栖(qī) 深渊(yuān)D.追溯(suó) 衍(yǎn)射
题型:选择题 三氟化氮(NF3)是无色无味气体,它可由氨气和氟气反应制得:4NH3+3F2=NF3+3NH4F。下列说法正确的是[ ]A.NH4F的还原性比NH3强 B.NF3的氧化性比F2强 C.该反应中被氧化和被还原物质的物质的量之比为4:3 D.该反应中得到1molNF3时,转移6mol电子 查看答案
题型:选择题 选择适当的句子完成对话,将序号写在横线上。A. Yes, I do. B. Byebye. C. All right. D. No, I don't.E. Yes, I'd love to. F. I don't know yet.A: Hi, Jimmy, what are you going to do? B: ________________ A: Do you like watching a football match?B: ________________ I like football.A: I've got two tickets. Would you like to go with me? B: ________________ A: Let's meet at my home at 6: 00 p. m. B: ________________ See you at 6: OO p. m.A: Byebye.B: ________________ 查看答案