下面是gre填空1100的节选内容：
1.Although there are weeks of negotiations ahead, and perhaps setbacks and new surprises, leaders of both parties are ___ that their differences can be resolved.
optimistic
perplexed
apprehensive
incredulous
uncertain
解析：转折让步的简单句子。
意译：尽管未来还有数周的协商，也切有可能会有挫折和新的问题，但是双方政党领袖对于他们能够解决争端感到乐观。
答案：A
错选：不会错。
2.To compensate for the substantial decline in the availability of fossil fuels in future years, we will have to provide at least ___ alternative energy source.
an anticipated
an official
an equivalent
a derivative
a redundant
解析：简单的目的和手段句子，注意at least的用法。
意译：为了对未来几年化石燃料急剧减少做补偿，我们至少要找到跟减少的化石燃料同等量的代替能源。
答案：C
错选：E
3.Even though many persons in the audience jeered the star throughout the play, she ___ curtain calls.
refused all
adored some
delayed several
appeared for
balked at
解析：关键词组：curtain call 谢幕 如: to take a curtain call (上台谢幕);另外注意这是一个转折让步，前后意义要相反。
意译：虽然很多观众在这个剧从始至终嘲笑该明星，但是她还是多次谢幕了(意思就是大部分观众非常认可她的表现，人和人怎么就这么差别大呢?)
答案：D
4.Suspicious of too powerful a president, Americans nonetheless are ___ when a president does not act decisively.
univocal
impassioned
content
uneasy
headstrong
解析：注意让步结构和nonetheless的用法。
意译：虽然人们怀疑总统的权力是不是太大了，但是在总统不能非常有决断力的时候，美国人民又会对总统的柔弱感到不安。
答案：D
错选：C
5.Unlike many recent interpretations of Beethoven’s piano sonatas, the recitalist’s performance was a delightfully free and introspective one; nevertheless, it was also, seemingly paradoxically, quite ____.
appealing
exuberant
idiosyncratic
unskilled
controlled
解析：句子出现paradoxical的时候都会出现看似令人费解、貌似充满矛盾、好像前后相反的内容。
意译：不像很多最近对于贝多芬钢琴奏鸣曲的诠释，这个钢琴独奏者的表演充满了令人感到愉悦的自由和对自己内心暴露;但是，这场演奏，令人感觉有些矛盾的是，也相当的克制(或者理解为冷静)。
答案：E
错选：D
伟大的音乐需要伟大的演奏者，才能激发人的灵魂。