1 . Despite the fact that he is 59 years old, he is still ______（精力充沛的，充满活力的）.（根据汉语提示单词拼写）

2 . He is an__________(精力充沛的)boy and he does sports every day. (根据汉语提示单词拼写)

3 . Despite the fact that he is 59 years old, he is still e________. (根据首字母单词拼写)

4 . The company is trying to create a young ________ (充满活力的) image. （根据汉语提示单词拼写）

5 . Experts said it was ________ that Malaysia Airlines Flight 370(马航370) had changed course and turned back toward Kuala Lumpur(吉隆坡).

A．obvious

B．limited

C．successful

D．energetic