.…a small reduction in one country’s emissions had changed the amount of pollution found in the remotest end least accessible place on earth.
A. flexible
B. executed
C. approachable
D. executable
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.…in a small tent pitched on a twelve-toot-thick slab of ice floating in the frigid Arctic Ocean.
A. freezing
B. noctilucent
C. torrid
D. scorching
过去，我们对这个问题的认识比较肤浅、简单。In the past, our understanding of this issue was quite _____ and _______.
他们有正当的理由拒绝这份工作。They have ______ reasons in rejecting the job.
休克是指
A. 是剧烈的震荡或打击
B. 是机体对外界刺激发生的应激反应
C. 是有效循环血量急剧减少使全身微循环血液灌注严重不足，以致细胞损伤、重要器官机能代谢障碍的全身性病理过程
D. 是以血压降低、尿量减少为主要表现的综合征
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