1. he made such a ___ contribution to the university that they are naming one of the new buildings after him.
a genuine b minimum c modest d generous
2. helen was much kinder to her youngest child than she was to the others, ___, of course, made the others jealous.
a who b that c what d which
3. ___ is known to the world, mark twain is great american writer.
a that b which c as d it
4. in the advanced course students must take performance tests at monthly ___.
a gaps b intervals c length d distance
5. students or teachers can participate in excursions to lovely beaches around the island at regular ____.
a gaps b rate c length d intervals
6. mr. johnson preferred ___ heavier work to do.
a to be given b to be giving c to have given d having given
7. you can't afford to let the situation get worse. you must take ___ to put it right.
a decisions b directions c sides d steps
8. she is __ a musician than her brother.
a much of b much as c more of d more as
9. having been found guilty, the man was given a severe ___ by the judge.
a service b sentence c crime d crisis
10. the residents, ___ had been damaged by the flood, were given help by the red cross.
a all their homes b all whose homes c all of whose homes d all of their homes
答案与解析：
1.d.name after 以…的名字来命名.genuine 真正的，货真价实的； genuine leather 真皮；minimum 最低的，最小的； modest 谦虚谨慎的，适度的；generous慷慨的，慷慨大方的（修饰贡献等用这个）。
2.d.which在这里是引导非限定性定语从句，which引导非限定性定语从句有2个特点：
1. which前面有逗号与其他句子分开。 2. which指的是前面整句话的内容。as也可以引导非限定性定语从句，指的都是一句话的内容。which指一句话的内容只能置于该句之后，而as既可以在后也可以在前。
3.c.as 指代后面的那个句子.在从句中做主语.
4.b.interval n. 间隔（即可指空间间隔，也可指时间间隔），四级考试中专考时间间隔的概念。interval是固定与介词at搭配的。
5.d.at regular rate 以规则的速度； at regular interval 以规则的时间间隔.
6.a.应该采用被动语态，是约翰先生愿意被安排工作。
7.d.take steps 采取措施，采取行动； take measures 采取措施；
8.c。be of 具有某种性质、品质或特点。
9.b.sentence n. 判决，判刑； crisis n. 危机； economic crisis 经济危机.
10.c.当给出了句子的主语，且后面有两部分谓语动词，这两部分谓语动词之间又没有连接词，时态也不同时，离主语近的谓语动词应为从句的组合成分。