题型:判断题 先阅读短文,然后用下面方框中所给的单词或短语填空,使全文在逻辑上正确。(提示:选项中有一个是多余的。)used to / worried / feels /finish / have to / nervous小题1:This kind of paper ________ very soft小题2: I ________ have short hair but I grow it long小题3:What time do you ________ basketball practice today?小题4: I don’t like making speeches I feel ________ talking in front of many people小题5: I haven’t seen my cat for two days I’m very ________ about her 查看答案
题型:判断题 (7分)有如图电化学装置,以多孔石墨为电极、AgNO3为电解质溶液。改变开关K1、K2的闭合状态,回答下列问题。(1)若打开K2、闭合K1,此时,该装置为 (原电池或电解池),C1上发生的电极反应式为: 。(2)当两电极质量不再改变时,断开K1、闭合K2。此时,C1上发生的电极反应式为: ,电化学装置内发生的总反应方程式: 。 查看答案