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Which option completes the text below correctly?


A Beijing company has unveiled spectacularly futuristic designs for a pollution-busting, elevated bus


      [...] Song Youzhou, the project’s chief engineer, claimed the busses could be produced for 20% of the price of an underground train and rolled out far more quickly since the______infrastructure was relatively simple.

      The project has been greeted with ______ in China, where traffic jams have grown as the country ______the United States to become the largest car market on earth in 2009.

      However,______over the______ was tempered by the fact that a virtually identical contraption was unveiled at the same expo in 2010 without catching on. Its ______? A Chinese engineer by the name of Song Youzhou.

(Adapted from https://www.ltheguardian.com)

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Which option completes the text below correctly?


The story of a sub's last desperate dive


[...] The lost submarine ______ during an expedition______by Find AE1 Limited in December 2017, more than 103 years after it______near the Duke of York Islands in PNG, ending one of Australia’s longest naval mysteries.

Defence Minister Marise Payne said the images collected during the expedition ______ that the boat’s guardrails ______ and hatches appeared to be shut. “These first assessments from the expedition indicate that the AE1 ______ to be in a state for underwater operations."

(Adapted from httpI I : www.defence.gov.au/news)

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Mark the option that best completes the gap in the text with the right form of the verb in brackets.
Which is the correct alternative to complete the paragraph below?

Many ofthe same questions that ________ about coal-powered propulsion _______ of the Internet of Things (loT) today: What's wrong with the traditional way; how will this benefit my fleet; why do we need to malee this change? They _______ all good questions, and they ______ a very natural human interest in the three areas that should matter most in deciding whether to use any maritime technology: safety, effectiveness and cost. The biggest challenges to IoT adoption _______. In large part, this is due to the ready availability of high-performance data collection.
(Adapted from: Sea Technology, December 2018).
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In "[... ] the world's first autonomous and electric container vessel Yara Birkeland is put on hold [... ].",the idiom in bold means: