1.Some people believe that since oil is scarce, the ________ of the motor industry is uncertain.
A) terminal
B) benefit
C) fate
D) estimate

2.To speed up the ________ of letters, the Post Office introduced automatic sorting.
A) treatment
B) delivery
C) transmission
D) departure

3.These overseas students show great ________ for learning a new language.
A) enthusiasm
B) authority
C) convention
D) faith

4.The defense lawyer was questioning the old man who was one of the ________ of the murder committed last month.
A) observers
B) witnesses
C) audiences
D) viewers

5.Politically these nations tend to be ________, with very high birth rates but poor education and very low levels of literacy.
A) unstable
B) reluctant
C) rational
D) unsteady

从这期开始每次给大家留一点作业,建议准备参加六月份考试的同学练习一下,主要是对以往节目内容的复习.
1.翻译：After working all day, ________________(他累得没心情和我们一起去那个聚会了) .
2.造句：造一个同位语从句。