1、【题目】Comets are still regarded with awe by some people.
选项：
A.wonder
B.concern
C.resentment
D.detachment
答案：
A
解析：
暂无解析
1、【题目】How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?
选项：
A.only
B.exactly
C.atleast
D.fewerthan
答案：
C
解析：
暂无解析
1、【题目】The Salk vaccine is a major factor in the fight to eradicate polio.
选项：
A.completelydestroy
B.carefullydisguise
C.sustain
D.contain
答案：
A
解析：
暂无解析
1、【题目】The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.
选项：
A.veryfriendly
B.veryuseful
C.verythoughtful.
D.verywealthy
答案：
B
解析：
暂无解析
1、【题目】DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
选项：
A.eager
B.surging
C.appreciative
D.vigorous
答案：
解析：
1、【题目】When carbon is added to iron in the proper proportions , the result is steel.
选项：
A.container
B.sequence
C.laboratories
D.amounts
答案：
D
解析：
暂无解析
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