第二部分：英语知识运用（共两节，满分30分）
第—节：多项填空（共10小题，每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21． He was faced with the ．of whether or not to return to his country after he got the doctor's degree in America
A． situation B． circumstance C． environment D． dilemma
22． The winner of the Nobel Prize in Literature 2012, Mo Yan , said he did not have high ．Actually, he thought he only had a slim chance to win．for winning
A． assumption B． expectation C． satisfaction D． impression
23． In order to be a strong and effective partner with the Asia Pacific region, American president Obama thinks it absolutely ．to have a strong relationship with China
A． vital B． potential C． specific D． awkward
