and learning tools for vocabulary and dialogue.

5. What is the purpose of the passage?

A. Sell apps to language learners. B. Introduce language learning apps.

C. Teach language learners to use apps. D. Teach languages through apps.

6. Which app suits best if you want to learn through communication?

A. Babbel - Learn Languages B. Tandem: Language Exchange

C. Duolingo: Learn Languages Free D. Learn English - busuu

7. What is Duolingo different from the other three apps?

A. It is completely free to use. B. It is specially for English learning.

C. It is unsuitable for beginners. D. It is the most effective（有效的）app.

8. What do the apps have in common?

A. They cover all languages. B. They focus on grammar.

C. They contain many tests. D. They are free to download.

【答案】5. B 6. B 7. A 8. D

【解析】

【分析】

本文为应用文。主要向人们推荐语言学习应用程序，它们是免费下载。

【5题详解】

主旨大意题。根据第一段最后两句"The list below is 4 apps that will help you learn a foreign language! You can download them for free." 本句意为"下面列出的4个应用程序将帮助你学习一门外语"！可知，本文的目的是向人们推荐语言学习应用程序，故选B项。

【6题详解】

细节理解题。根据"Tandem: Language Exchange中的"You can then have text, voice and video conversations with people who want to learn your native language, and in return you learn theirs, all by simply communicating with each other. "可知如果你想通过交流学习，Tandem: Language Exchange最适合。因此选B项。

【7题详解】

细节理解题。根据Duolingo: Learn Languages Free中的"The app has many languages to choose from and will work through the basics all the way to advanced words and sentences.