20. A) It has improved animal breeding skills all over the world.
B) It has helped relieve hunger in some developing countries.
C) It has promoted international exchange of farming technology.
D) It has bridged the gap between the rich and the poor in America.
PartⅡ Reading Comprehension (35 minutes)
Passage one
Directions: There are 4 passages in this part, Each passage is followed by some questions at unfinished statements. For each of them there are four choices marked A) , B) , C) and D). You should decide on the best choice and mark the corresponding letter on the Answer Sheet with a single line through the center.
Questions 21 to 25 are based on the following passage:
Interest in pursuing international careers has soared in recent years. enhanced by chronic (长久的 ) personnel shortages that are causing companies to search beyond their home borders for talent.
21. Companies are hiring more foreign employees because
A) they find foreign employees are usually more talented