178. There are four basic _____ of blood in the human body.　 What do you belong to, A, B, AB or O?

　 　 A. kinds　　　　　　　　　　　 B. sorts　　　　　　　　　　　　 C. types　　　　　　　　　　　　 D. classes

177. You should turn to Mrs. Green. She is the key figure in the company. The underlined part probably means _____.

　 　 A. a person who has the key　　 　　　　　　　　　　　 B. a very important person

　 　 C. a new product　　　　　　 　　　　　　　　　　　 D. a new policeman

176. Three times the accused was brought to court for trail, he was sentenced half a year’s imprisonment by the _____.

　 　 A. lawyer　　　　　　　　　　　　　　 B. official　　　　　　　　　　 C. officer　　　　　　　　　　　　　　 D. judge

175. I preferred to go there by plane, but I hadn't enough money to pay for the _______.

　 　　 A. trip　　 　　　　　　　　 B. voyage　　 　　　　　　 C. journey　　 　　　　　 D. tour

174. The teacher asked his students to help the old lady to do some housework and they made a good _____ of it.

　 　　 A. job　　　　　　　　　 　　　 B. work　　　　　　　　　　　　 C. task　　　　　　　　　　　　 D. justice

173. One of my Japanese friends sent me two _____, but I didn’t accept them.

　 　　 A. jewels　　　　　　　　　　　 B. jewel　　　　　　　　　　　 C. jewelry　　　　　　　　　　 D. jewelries

172. Since the disaster of September 11, American economy has got into a jam. The underlined part probably means _____.

A. had a lot of trouble　 B. become very good　　 C. got into a stop　　　　　 D. developed rapidly

171. You should put down your jacket, otherwise both of you will have a quarrel. That will make things worse. The underlined part probably means _____.

　 　　 A. wear your jacket　　　　　　　 B. take off your jacket　 C. not be excited　　　　　 D. throw away the jacket

170. So long as you work hard enough, a(an) _____ rod can be ground into a needle. (prov.)

　 　 A. steel　　 　　　　　　　　 B. stick　　 　　　　　　　　 C. gold　　 　　　　　　　　 D. iron

169. The people performing all play different _______ and three of them sing, too.

　 　 A. tools　　 　　　　　　　　 B. musical machines　 C. instruments　 　　　　　 D. means