选词填空的答案部分只填序号,注意要大写,如: A A)abundant B) superficial C) tedious D) absorbed E)functions F)distress G)presently H)efficiently I)adjusted J)beneficial k)curious L)obliged M)destinations N)evidently O)bulk In order to achieve fluency in English, you need to be comfortable using at least 10,000 words. The 4)_____ materials on the Internet make it possible for you to choose appropriate content to read and listen to. These materials can be 5)______ to your level if you input some key words in the search engine. But how can you remember the 6)_______ of unfamiliar words?