1、【题目】Thefirstpaperwasmadefromthebarkofthemulberrytree.
选项:
A.driedwood
B.outercovering
C.syrup(sirup)
D.root
答案:
解析:
1、【题目】Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
选项:
A.hand-carved
B.roughlymade
C.flat
D.heavy
答案:
解析:
1、【题目】The controls of most modern airplanes can be operated either manually or automatically.
选项:
A.bythebook
B.byamap
C.bylogic
D.byhand
答案:
D
解析:
暂无解析
1、【题目】Insectpestsareamongtheleadingcausesofcropfailure.
选项:
A.expected
B.chief
C.natural
D.least
答案:
解析:
1、【题目】Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.
选项:
A.eager
B.surging
C.appreciative
D.vigorous
答案:
A
解析:
暂无解析
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