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【判断题】
国际多式联运合同的当事人是多式联运经营人和托运人。A.
正确
B.
错误
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【单选题】……………………… Firstly, security threats (such as 9/11) and economic downturns (e.g. the 2008 global economic crisis) have an impact on numbers of air passengers, although these have always been followed b...
A.
Several recent events have caused a temporary dip in air travel.
B.
There are several issues that might slow down or even reverse this growth.
C.
There are a number of negative impacts of air travel, such as air pollution.
D.
【简答题】Speech sounds of all languages are broadly classified into vowels and c____ , and the difference between them is whether there is an o____ of air stream in producing a sound.
【简答题】When air is in rapid motion,there is a decrease of pressure as the speed of the air increases and an increase of pressure as the speed of the air decreases.
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