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【判断题】
机组救生衣颜色为黄色，旅客救生衣颜色为红色。A.
正确
B.
错误
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【简答题】称重法的步骤? 第一步: 第二步: 第三步:
【判断题】Generally speaking, the place and the manner of articulation are the two common features of any languages except the voicing, which is language specific. For example, voicing is a distinctive feature ...
A.
正确
B.
错误
【单选题】Which of the following is NOT a distinctive feature of human language?
A.
Arbitrariness.
B.
Productivity.
C.
Cultural transmission.
D.
Finiteness.
【简答题】Which of the following is the MOST distinctive feature of Mojave shrimps? A) Their lives are brief. B) They feed on plant and animal organisms. C) Their eggs can survive years of drought. D) They lay ...
【单选题】仔细阅读下面资料，回答以下问题： 恩格尔系数，即食品消费支出在总消费支出中所占的比重。联合国粮农组织依据恩格尔系数，将生活水平划分为如下标准；恩格尔系数在59％以上者为绝对贫困状态的消费；50％—59％为勉强度日状态的消费；40％—50％为小康水平的消费；20％—40％为富裕状态的消费；20％以下为最富裕状态的消费。我国城镇和乡村的恩格尔系数，1980年为56．9％和61．8％；2000年分别为3...
A.
上升态势
B.
快速下降态势
C.
下降态势
D.
快速上升态势
【判断题】Generally speaking, the place and the manner of articulation are the two common features of any languages except the voicing, which is language specific. For example, voicing is a distinctive feature ...
A.
正确
B.
错误
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