Suspicious(5次)
    1. A ________ official is one who is irresponsible in his work. (05/1)
    A) timid B) tedious C) suspicious D) slack
    2. We can’t help being ____of Bob who bought a luxurious sports car just after the money was stolen from the office. (03/9)
    A) skeptical B) appreciative C) suspicious D) tolerant
    3. After several nuclear disasters, a ________ has raged over the safety of nuclearenergy.(01/1)
    A) quarrel B) suspicion C) verdict D) controversy 
    4. Rumours are everywhere, spreading fear, damaging reputations, and turning calm situations into ______ ones. (00/6)
    A) turbulent B) tragic C) vulnerable D) suspicious
    5. Some criminals were printing __________ dollar bills until they were arrested. (98/1)
    A) decent B) fake C) patent D) suspicious
    Subtle(3次)
    1. Diamonds have little ____ value and their price depends almost entirely on their scarcity. (03/6)
    A) intrinsic B) eternal C) subtle D) inherent　
    2. The glass vessels should be handled most carefully since they are _______.(02/12)
    A) intricate B) fragile C) subtle D) crisp
    3. There is a _______ difference in meaning between the words surroundings and environment. (98/6)
    A) gentle B) subtle C) feeble D) humble
    Superiority(3次)
    1. Giving a gift can convey a wealth of meaning about your appreciation of their ____ and the importance you place upon the relationship. (02/6)
    A) solidarity B) priority C) superiority D) hospitality
    2. There is no doubt that the ________ of these goods to the others is easy to see. (02/1)
    A) prestige B) superiority C) priority D) publicity
    3. David tends to feel useless and unwanted in a society that gives so much ______ to those who compete well. (99/6)
    A) prestige B) regime C) superiority D) legislation
    Propel(2次)
    1. Many types of rock are _______ from volcanoes as solid, fragmentary material. (02/12)
    A) flung B) propelled C) ejected D) injected
    2. Under the guidance of their teacher, the pupils are building a model boat _______ by steam.(00/1)
    A) towed B) pressed C) tossed D) propelled
    Reassure(2次)
    1. As we know, computers are used to store and ________ information efficiently. (04/6)
    A) reclaim B) reconcile C) reassure D) retrieve
    2. The woman was worried about the side effects of taking aspirins. but her doctor ____her that it is absolutely harmless. (03/9)
    A) retrieved B) released C) reassured D) revived
    Recession(2次)
    1. At that time, the economy was still undergoing a _____ and job offers were hard to get. (05/12)
    A) recession B)concession C)supervision D)deviation
    2. It is hard to tell whether we are going to have a boom in the economy or a ________. (01/6)
    A)concession B)recession C)submission D)transmission