题目内容：

Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

A. comprehending    B. industry      C. range    D. enhance    AB. adopted

AC. pronounce     AD. flooding     BC. valued     BD. operating    CD. tend     

 

The speeches of US President Barack Obama have become the favorite way for Japanese to study the English language. Japanese publishers have been ____1. ____ the market with over a dozen language-learning titles. Companies are trying to tap into a foreign-language teaching ____2. ____ that the Yano Research Institute said  was ____3. ____ at 767 billion yen ($8.6 billion) in 2008.

Why is there such a massive Japanese market for recordings and books of Obama's speeches? Japanese say that listening to Obama speak is a sure-fire way to ____4. ____ their English-speaking skills.  

Most Japanese, including those studying English, would have difficulty ____5. ____ a speech given by a native English speaker. But “Obama's English is easy to understand because he can ____6. ____ words clearly and speaks at a relatively slow clip,” said Professor Tadaharu Nikaido, a communication specialist. “Movies ____7. ____ to be the most difficult for Japanese, especially when actors mumble their words.” Obama sets his ____8. ____ of vocabulary wide enough to accommodate all levels of English speakers, Nikaido added, and at the lower end, it sometimes comes within the range of non-native speakers' comprehension.

The Obama speech phenomenon has given way to more books and magazines that focus on how Obama's communication skills might be ____9. ____ in Japan for business and political purposes. At least half a dozen books and magazine covers of this kind have appeared in the past several months in Japan.