170.Scientists are pushing known technologies to their limits in an attempt to________more energy from the earth.
A) extract
B) inject
C) discharge
D) drain
171.The Chinese Red Cross________a generous sum to the relief of the victims of the earthquake in Turkey.
A) administered
B) elevated
C) assessed
D) contributed
172.The first sentence in this paragraph is________. it can be interpreted in many ways.
A) intricate
B) ambiguous
C) duplicated
D) confused
173.They used to quarrel a lot, but now they are completely________with each other.
A) reconciled
B) negotiated
C) associated
D) accommodated
174. The local business was not much________by the sudden outbreak of the epidemic.
A) intervened
B) insulated
C) hampered
D) hoisted
175.The most important________for assessment in this contest is originality of design.
A) threshold
B) partition
C) warrant
D) criterion
176.The woman was worried about the side effects of taking aspirins. but her doctor________her that it is absolutely harmless.
A) retrieved
B) released
C) reassured
D) revived
177.We can t help being________of Bob who bought a luxurious sports car just after the money was stolen from the office.
A) skeptical
B) appreciative
C) suspicious
D) tolerant