题目内容：
回答题Materials and Tools for Language Learning
__①__ The range of materials and tools avaiable to help you with your language studies is huge from dictionaries to language courses. All of them can help you in different ways, and the appropriate use of these materials and courses will make your language learning much easier and more effective.
__②__ Possibly the most useful tools there are for learning a language are dictionaries. Dictionaries come in a number of formats including bilingual monolingual, illustrated, electronic and online. Bilingual dic tionaries are perhaps the most useful ones for beginners and interme-diate learners while monolingual dictionaries, which are designed for native speakers, are also useful for advanced learners. Pocket dictionaries are good for quick reference and easy to carry around. Larger dictionaries are better if you want more definitions, examples of us age, and information about pronunciation, and grammar. Electronic dictionaries are available as handheld units or as software. Handheld ones are portable, easy and quick to search, and often provide other functions such as, text-to-speech, voice recognition and speech synthesis organizers, address books. They tend to be rather expensive though. Software dictionaries offer many of the same functions, and can be used on computers, and mobile phones.
__③__ The traditional courses tend to consist of textbooks containing dialogues,Exercises notes on grammar, and maybe cultural information. Accompanying cassettes CDs and/or mp3s are often available Most such courses are intendcd for complete beginners or people with only minimal knowledge of the language. Intermediate and advanced-level courses are available for some of the more popular languages such as French,C, erman Italian and Spanish.
__④__ Audio courses usually consist solely of cassettes or CDs though some may also include a limited amount of printed material. All dialogues exercises, instructions and explanations are recorded and the focus of these courses is teaching you to understand and speak the language. They are very good at teaching you authentic pronunciation and a manageable amount of vocabulary.
__⑤__ Various computer-aided courses are available on CD-ROMs and DVDs. Each course is different but they generally include dialogues audio exercises and tests. Some also include phrasebooks, dictionaries, videos, games and provide online and/or telephone support.
Paragraph①______ A．What is the function of audio courses?
B．What is the function of flash cards?
C．What is the function of traditional courses?
D．What are the most useful tools for language learning?
E．What is the function of computer-aided courses?
F．What can help you a lot with your language learning?
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