121. Reindeer are highly gregarious and travel in herbs.

Voca & Idiom Week4

① insecure	② sociable	③ intelligent	④ sought after

122. It is primarily outer electrons that determine the chemical properties.

① describe	② depend on	③ fix	④ focus on

123. The papaya is a tropical fruit usually eaten raw.

① unpeeled	② uncooked	③ unsweetened	④ unsalted

124. Some experts foresee that robots will displace a sizable percentage of the work force by the year 2000.

① predict	② doubt	③ threaten	④ insist

125. Grant Wood's paintings are noted for the uncommon ways in which they depict familiar subjects.

① introduce	② affect	③ represent	④ avoid

126. His father remains aloof from the activities of his family.

① separated from	② upward of	③ bored with	④ exhausted

127. He made one last futile effort to convince her and left the house.

① difficult	② favorable	③ firm	④ inefficient

128. That college will mold its opinions.

① respect	② form	③ measure	④ break

129. They already presented a wide ethnic diversity.

① instrumental	② artistic	③ ethical	④ racial

130. The machine is out of order since last month.

① operating	② outside	③ broken	④ out of repairs

131. I understand the factory is going to lay off a hundred female workers and several staff members.

① give the leave	② reinforce	③ dismiss	④ employ

132. They made judicious use of government incentives.

① legal	② lawful	③ wise	④ arbitrary

133. He is beginning to pick up in his studies.

① improve	② choose	③ degenerate	④ lift

134. That is a problem really beyond my grasp.

① comprehension	② imitation	③ concentration	④ imagination

135. The chairman was anxious to adjourn the meeting.

① attend	② start	③ address	④ close

136. Will he let on  what you said?

① take down	② betray	③ pretend	④ conceal

137. Pure ozone is an unstable, faintly bluish gas with a distinctively fresh.

① strangely	② decidedly	③ slightly	④ magically

138. □Are you carrying a concealed weapon?" the man asked me out of the blue.

① dejectedly	② suddenly	③ jokingly	④ casually

139. The development was to have a profound effect on out lives.

① deep	② professional	③ progressive	④ negative

140. A mountain's lower slops may support grass and timber, although the crest may be barren and snow-covered.

① impressive	② dangerous	③ smooth	④ lifeless

141. It is chloride of time that can bleach cloth satisfactorily.

① launder	② manufacture	③ whiten	④ protect

142. She didn't hesitate to dress him down though he was seriously injured.

① reprimand	② adorn	③ make naked	④ adore

143. The campers have to make do with he old equipment.

① do without	② replace	③ manage with	④ dispense with

144. The airplane reached such a high velocity that it broke the sound barrier.

① speed	② atmosphere	③ orbit	④ transmission

145. When the seed capsule of the touch-me-not plant is touched, it explodes with a loud pop.

① turns	② bursts	③ falls	④ burns

146. The common cold is the most frequent and perhaps the most baffling illness of man.

① tenacious	② irritating	③ recurring	④ perplexing

147. Some writers thrive on criticism.

① decline	② prosper	③ worry	④ ignore

148. You'll have to work very hard to make up for the time you lost.

① summon	② call together	③ arrange for	④ compensate for

149. They are trying to stir up our peaceful society.

① reinforce	② agitate	③ encourage	④ augment

150. They cried out with a sigh that they had nothing to subsist in.

① back up	② turn to	③ live on	④ fall on

151. In a market economy, a surplus of wheat results in a decrease in the wholesale price of flour.

① an excess	② an abundance	③ an increased quantity	④ a steady supply

152. None of the people take in any periodicals.

① deceive	② admit	③ transcend	④ subscribe to

153. Washington Irving tended to mingle history and fiction in many of his stories.

① distort	② cherish	③ blend	④ stretch

154. You seem to fool around. How can you finish the work by noon?

① waste time	② be lazy	③ avoid responsibility	④ be stupid

155. The twins will accept the invitation to the party with diffidence.

① avidity	② fortification	③ hesitation	④ volition

156. Typically, ocean reefs teem with fish.

① swarm with	② are enough with	③ are poisonous	④ are uninhabited by

157. He agreed to the plan of his own accord.

① automatically	② voluntarily	③ unwillingly	④ unhesitatingly

158. Many people who want warm coats can buy fake furs.

① costly	② soft	③ heavy	④ imitation

159. He delivered the speech in his own inimitable style.

① extremely efficient	② seldom imitated	③ matchless	④ indescribable

160. Forests are delicate systems that, if disturbed, can be permanently destroyed.

① fragile	② expansive	③ complex	④ unusual