Section Ⅰ Use of English

Directions:

Read the following text. Choose the best word(s) for each numbered blank and mark A,B,C or D on ANSWER SHEET 1(10 points)

  The human nose is an underrated tool. Humans are often thought to be insensitive smellers compared with animals,   1   this is largely because,  2   animals ,we stand upright. This means that our noses are   3   to perceiving those smells which float through the air,   4   the majority of smells which stick to surfaces. In fact

  5  , we are extremely sensitive to smells,   6   we do not generally realize it. Our noses are capable of   7   human smells even when these are   8   to far below one part in one million.