题目
第1题
Researchers hold that boredom results from______.
A.natural surroundings
B.various kinds of factors
C.sensitive personalities
D.subjective perceptions
第2题
A.ordered
B.held
C.accepted
D.tracked
第3题
第4题
Biometeorologists are “researchers into human responses to academic lectures.” ()
第5题
A.A.motivated
B.B.activated
C.C.illuminated
D.D.integrated
第6题
Researchers cannot () the possibility that Earth may one day run out of its orbit.
A. hand out
B. drop out
C. rule out
D. keep out
第7题
A.combination
B.consumption
C.compounds
D.cmposition
第8题
A.treat
B.threaten
C.help
D.protect
第9题
Researchers have established the() between smoking and cancer.
A link
B chain
C join
D economy
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