One of the greatest concerns of the government is the abrupt rise of the unemployment rate, which might imply economic ______ .
(A)recessions (B)reactions (C)reservations (D)recreations
10 From a poor family, Joanna has never dreamed of studying abroad because she knows that it would __________.
(A) cost a fortune (B) lift a finger (C) make a living (D) take a stand
43 The elderly are most _____ to cold weather and flu viruses, so they should receive more care in winter.
(A) valuable (B) considerate (C) vulnerable (D) resistible
40 The task is ________ , but he has risen to the challenge with intelligence, creativity, flexibility and commitments
to excellence.
(A) daunting (B) amusing (C) delighting (D) encouraging