PAER TWO: LANGUAGE KNOWLEDGE £¨45 points£©
Section A£¨15 points£©
Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose one answer that best completes the sentence.

21.Half of the world’s population is under the age of 25 and when they are not involved in the decision-making process, they are not aware of ______ is taking place.
A. what B. whom C. which D. whose
22.Although we haven’t got the accurate statistics, it is estimated that _____ 300 factories in this province closed down during the economic crisis.
A. partly B. briefly C. approximately D. relatively
23.The use of several senses gives the brain more connections and associations, making it easier ______ information later, which assists memory and learning.
A. find B. finding C. found D. to find