题目

短文填空 根据短文内容及首字母提示，补全空格内单词，使短文完整通顺。(10分)If you share your problems, you’ll feel better.Students today often have a lot of w 【1】 . Sometimes we have problems with our schoolwork, or arguments with our friends. Perhaps we e 【2】 worry about our parents’ problems.What can we do about this? The worst thing is to do n 【3】 . Laura Mills, a teenager from London, agrees. ‘Problems and worries are normal in life,’ says Laura. ‘But I think talking to someone helps a lot. If we don’t t 【4】 to anyone, we’ll cer下列各组物质的溶液，不另加试剂无法一一鉴别的是（　　） A、Na2CO3、K2SO4、BaCl2、HClB、KNO3、HCl、CaCl2、NaOHC、NaOH、HCl、CuSO4、MgSO4D、NH4NO3、H2SO4、NaOH、MgCl2