皮皮学，免费搜题
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【单选题】
属于眼球血管膜的结构A.
角膜
B.
视网膜
C.
虹膜
D.
巩膜
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举一反三
【单选题】What ________ news it is! Nobody _________it.
A.
a surprising; believes
B.
surprising; believes
C.
a surprised; believe
【单选题】What Raul believes according to the article?
A.
Raul’s open-door policy is one that he expects people to observe in spirit, not in absolute terms.
B.
To him, an “open door” is merely a metaphor for how colleagues work together.
C.
He doesn’t want people to fear making mistakes, even in front of him.
D.
He wants his direct reports to share novel ideas but expects them to submit those in writing before asking other people to react.
【多选题】绝对优势理论的代表人物亚当斯密在其代表作《国富论》中发表的代表观点有:( )
A.
各国都有绝对的生产条件优势
B.
分工和专业化思想可以大大提高生产效率，并且可以通过国际贸易产生利益
C.
自由贸易可以使得生产力，劳动力和资本都得以增加
D.
货币增加的主要途径依赖于新兴的商业资产阶级所经营的对外贸易，尤其是出口贸易
【单选题】It is because he ___________ science that I __________ what he says.
A.
believes in; believe
B.
believes; believe in
C.
believes; believe
D.
believes in; believe in
【简答题】CPU和I/O设备之间的数据传送方式有()、()、()、()。
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