题目内容
（请给出正确答案）
The scientists are interested in studying tree rings because they can tell______.
A．whether in that area the climate was healthy or not
B．whether a particular tree was healthy or not
C．whether people, took good care of the trees or not
D．how old the trees were
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Recently, some scientists decided to find out what the funniest joke in the world was. This wasclearly a (an) 21 task,as no two people ever really agree about what is funny and what is not--22 when they are from different 23 Telling jokes is something people often 24 around the worlD@25 , jokes are sometimes not funny to or are often not 26 by people who are not part of that culture(文化). Anyhow, 27 a year-long serious study, the scientists 28 the funniest joke in the world :Two hunters (猎人) are out in the woods. One of them 29 to the ground He doesn&39; t seemto be 30 , his eyes closeD@The other hunter takes out his phone and calls emergency (紧急)services."My friend is dead!"he 31 to the man on the other side."What can I do？"The man,in a(an) 32 voice,says," Dont&39; t worry. I can 33 . First, make sure he&39;s 34 "There is a silence,then a shot is 35 Bang! The hunter&39;s voice comes back on the line. He says,"OK,now what？"
请选择最佳选项()。
A.wonderfu
B.important
C.interesting
D.Difficult
请选择最佳选项()。A.especially
B.finally
C.gradually
D.Generally
请选择最佳选项()。A.companies
B.countries
C.families
D.Schools
请选择最佳选项()。A.ask
B.do
C.give
D.Play
请选择最佳选项()。A.Thus
B.Therefore
C.However
D.Anyhow
请选择最佳选项()。
A.guessed
B.held
C.proved
D.Understood
请选择最佳选项()。
A.A.for
B.B.during
C.C.before
D.D.After
请选择最佳选项()。A.wrote
B.touched
C.decided
D.Spread
请选择最佳选项()。A.jumps
B.falls
C.points
D.Gets
请选择最佳选项()。A.thinking
B.speaking
C.rising
D.Breathing
请选择最佳选项()。A.cries
B.nods
C.turns
D.Waves
请选择最佳选项()。A.anxious
B.angry
C.calm
D.Curious
请选择最佳选项()。A.help
B.feel
C.go
D.Show
请选择最佳选项()。A.buried
B.dead
C.hit
D.Sick
请选择最佳选项()。A.heard
B.made
C.taken
D.Told
A.within
B.scientists have
C.out what
D.is
Cleaners and farmers do ______scientists do.
A. the same work as
B. less important work than
C. more work than
D. as important work as
Scientists first______the idea of the atomic bomb in the 1930s.
A．competed
B．conceived
C．consumed
D．concealed
Scientists imagine such a change in weather on human population would be ______.
A．terrified
B．surprised
C．horrible
D．frightened
What's the attitude scientists toward atomic bomb？ ______.
A．Pleased
B．Worried
C．Disapproved
D．Not mentioned
A．little
B．much
C．some
D．any
At the beginning, how did many scientists view Peppeberg's work？
A． It would reveal a creature's mind.
B． It would probably end in failure.
C． It would be hard to judge its value.
D． It would be a long-term project.
A．out
B．of .
C．on
D．after
A. what
B. that
C. which
D. where
