1.Relief workers（救援人员） were shocked （震惊的、吃惊的）by what they saw（他们所看到的）. （answer: C）
A. moved：感动的 B. touched：动人的、感人的（= moved）
C. surprised: 吃惊的，be surprised at sth.
I’m very surprised to see you here.
D. worried: 担心的、发愁的，同义词anxious,搭配：be worried about
He is worried about his exam.
所以：surprised = shocked = astonished
2.The weather(天气) is a constant （不断发生的、不变的）subject （主题）of conversation（谈话） in Britain（英国）. （answer: D）
A. question： 问题、疑问、询问，常见的搭配：an open question未解决的问题、允许公开争论的问题
B. problem问题、难题，solve a problem解决问题；
C. title 名称、题目、标题、头衔
D. topic话题、主题
3.This is not typical （典型的、有代表性的）of English, but is a feature （特点、特征）of the Chinese language. （answer: B）
A. particular：个别的、特别的、挑剔的，如：his particular problems他的个人问题； particular importance特别的重要； she’s very particular about her clothes. (她对她的衣服很挑剔。)，副词：particularly = especially
B. characteristic： 典型的，常见搭配：be characteristic of = be typical of
C. remarkable: 不同寻常的、出类拔萃的，同义词：unusual = exceptional = extraordinary
D. idiomatic: 来自于idiom习语、成语；idiomatic符合语言或方言的特点的
4.It is virtually （几乎）impossible（不可能） to persuade（劝说） him to apply for（申请） the job. （answer: B）
A. simply：简单地、仅仅 I bought the house simply because it was very big.
B. almost几乎、差不多。 She is almost 40 years old.
C. totally = completely = entirely 完全地、全部地
D. completely = totally
补充：persuade sb to do sth劝说某人做某事