5. The research team made a(n) ______ attempt to prevent the generator from overheating. To their disappointment, the generator still exploded in the end.
(A) embroidered (B) invincible (C) abortive (D) obsolete
9.Jon suffers an _______ form of depression due to his bereavement and only dares to peak into the living room while remaining rooted in her isolating room.
(A) ubiquitous (B) ostensible (C) lethargic (D) spacious
10.The refugees living in the camp _______ such fear for political oppression and economic scarcity that even the journalist there can’t help shedding tears over their sorrow.
(A) exculpate (B) exult (C) expound (D) exude
12. While he does make some specific points regarding particular individuals and particular theoretical observations, I find much of his argument ______. If you are sensible, you should take it with a pinch of salt.
(A) on the rails (B) off the mark (C) on the record (D) off your hands
13.Before developing any new product, the marketing department must survey as many similar items as possible and realize the _____ of the current market.
(A) rhyme or reason (B) up and running (C) ins and outs (D) ups and downs
14.Since several cabinet members have resigned recently, some potential politicians are _____ senior position in the new administration.
(A) jockeying for (B) answering for (C) accounting for (D) feeling for
15. With the best cast, breathtaking costumes and music, I had an awesome experience. The performance of the singers and dancers was _____.
(A) on top of the world (B) the best of both worlds
(C) out of this world (D) not long for this world