31Native American artwork and artifacts have been（）collected and studied abroad for anumber of years.
A.periodically
B.thoroughly
C.systematically
D.enthusiastically
开始考试练习点击查看答案32The scientists have absolute freedom as to what research they think is best to（）.
A.pursue
B.devote
C.engage
D.seek
开始考试练习点击查看答案33The doctor's discover will have a（）effect on mankind.
A.extreme
B.radical
C.excessive
D.profound
开始考试练习点击查看答案34The Navy is warning ships to stay away from the coast of Somalia after a series of（） attacks there.
A.burglar
B.bandit
C.gangster
D.pirate
开始考试练习点击查看答案35The government（）between the workers and the employers.
A.mediated
B.reconciled
C.interfered
D.involved
开始考试练习点击查看答案36Green tea has in recent years attracted much attention in the West for a wide range ofPossible（）effects.
A.advantageous
B.beneficial
C.favorable
D.preferable
开始考试练习点击查看答案37You should try to remain（）and hear both sides of the story.
A.impartial
B.objective
C.impersonal
D.inhuman
开始考试练习点击查看答案38He was determined to sail around the world（）his illness and old age.
A.given
B.although
C.despite
D.in spite
开始考试练习点击查看答案39Mr. White has become bad-tempered since he indulges in Gambling. He is no longer theman （） he used to be.
A.which
B.whom
C.who
D.that
开始考试练习点击查看答案40 It is not（）much his appearance I like as his personality.
A.as
B.very
C.so
D.that
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