题目

任务型阅读 （共10小题；每小题1分，满分10分） 认真阅读下列短文，并根据所读内容在文章后表格中的横线上填入最恰当的单词。 注意：每空只填一个单词。 There are a number of languages spoken throughout the world. Every person knows at least one language, which he learns in his childhood and is routinely used for speaking and writing. However, many people are fond of learning two or more languages, so they try to be bilingual, which means that they try to have the knowledge of two or more languages. And being bilingual can bring a person下列物质的有效成分及用途对应不正确的是（　　）ABCD物质小苏打漂白液单晶硅铁红有效成分NaHCO3NaClOSiFe2O3用途灭火器原料做消毒剂做光导纤维做涂料 A、AB、BC、CD、D