357.In spite of his serious and ______ illness,he still stuck to his post until he was forced to leave.

A.stable

B.stubborn

C.firm

D.effective

358.My grandfather is as _____ as a young man and hates sitting around doing nothing all day.

A.desperate

B.energetic

C.exceptional

D.sensitive

357.答案是B;

stable 稳定的；stubborn 固执的，拼命的；firm 牢固的，坚定的；effective有效的。

358.答案是B;

desperate 绝望的，拼命的；energetic 精力充沛的;exceptional 罕见的，异常的；sensitive 敏感的；根据下文a young man的暗示，选B。