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在危险货物包装中盛装具有较大危险性的货物，包装强度要求高的为（）类包装。
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Amazon today unveiled Dash Buttons, an easy way for customers to【C1】______select bulk goods【C2】______an internet-connected button, and yesterday【C3】______Home Services, an on-demand installation and handyman service. Combined, they show that the e-commerce giant has a clear understanding of how the Internet-of-things will【C4】______its business. And it isnt going to be shy about capitalizing on connectivity to build its bottom line. Dash Buttons are an adaptation of Amazon s【C5】______-controlled Dash ordering system that lets people speak to order new【C6】______items. So【C7】______Amazon has is a retrofit strategy for connecting smart appliances to its e-commerce operations and a future-facing strategy for the coming flood of【C8】______devices. And all of this is geared around making buying products from Amazon as easy as possible. The【C9】______of one-button tasks are appealing,【C10】______it could lead to a【C11】______of packages ending up at peoples doors if Amazon doesnt try to【C12】______waste on its end, by grouping shipments together when possible. People on Twitter seem mostly【C13】______about pets and small children playing with the Dash Buttons and ordering multiples of their Kraft Macaroni and Cheese boxes, although Amazon notes that【C14】______the button is pressed more than once, the order doesn t go【C15】______on the second time, and youll get a smartphone notification about it. Amazon also recently launched Home Services, following up on last year s opening of a home automation e-store devoted to connected gadgets for the home—many of which require a【C16】______installer. So now Amazon can sell these devices along with the person who can install them. It also is【C17】______on maintenance, via a network of service providers that it can call【C18】______for its network of suppliers or for its own planned connected home play. With Dash, its【C19】______an offensive play to【C20】______up more sales as devices come online. With Amazon Home Services, it s making a defensive play as other large companies try to become more vertically integrated.
【C1】
According to Dr. Gallup, people in a meeting may yawn when______.
Lindsay Eierman says she didnt sleep well last night because______.
According to Paragraph 3, which of the following is NOT true about yawning？
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