题目

下列关于电解质溶液的叙述正确的是 A．常温下，pH＝7的NH4Cl与氨水的混合溶液中离子浓度大小顺序为 C（Cl-）＞C（NH4+）＞C（H＋）＞C（OH－） B．将pH＝4的醋酸溶液稀释后，溶液中所有离子的浓度均降低 C．中和pH与体积均相同的盐酸和醋酸溶液，消耗NaOH的物质的量相同 D．常温下，同浓度的Na2S与NaHS溶液相比，Na2S溶液的pH大根据图片或首字母提示填空。1.Liu Tao and his parents visit Beijing by _________. 2.How does your father go to work? On_______. 3.Su Hai and Su Yang live n_____ school, so they come to school early.4.They always go to C____ Library by bike.5.Bobby has a new _______. He likes it very much.