单项选择题 询盘是交易的起点，对交易双方均有约束力。（）

未知题型 根据材料回答下列问题1998年至2006年期间，地质灾害造成直接经济损失额的中位数(中位数是指由大到小顺序排列居于中间位置的变量值)比损失最小年份的损失额( )。A.高76.3%B.低76.3%C.高31.4%D.低31.4%

问答题 混凝土在运输过程中，要求混凝土_______、_______、_______、_______、_______。

单项选择题 从商业模式上看，由于B2B交易具有交易量大、订单较为稳定的特点，因此，未来跨境电商交易中B2B仍然是主流。

未知题型 When mentioning 'the something-for-nothing days'(Paragraph l), the writer is talking aboutA.Mr. Blair's unique commitment to public service reforms.B.blank cheques given as a compromise to health workers.C.Mr. Blair's pledge to spending increases on public services.D.pay and conditions granted to health-service workers.

未知题型 以下哪些属于跨境电商企业的物流服务商（）

未知题型 By mentioning 'the figures are as changeable as a mirage in the desert', the author is talking aboutA.the wealthy people who live atop the wells in the GulF..B.the planet's future fossil-fuel supplies.C.the inconsistent estimates on oil deposits in the GulF.D.the oil traded in the international markets.

未知题型 全球速卖通的“中国好卖家计划”只面向近（）内开设的店铺

未知题型 During the 1990s boom Dell Computer's customers got hooked on speeD.Most were willing to pay a premium to have their computers shipped by overnight air express. But today, the equation has flippeD.Customers prize cost savings over speeD.'Now, most of our computers [in the U.S. are shipped on the ground—and we can still reach just about everyone within two days,' says Fred Montoya, Dell's vice president for worldwide logistics.Express air shipping isn't in a death spiral. But recession-spooked consumers and manufacturers are less willing to pay for overnight delivery, which is three to five times more expensive than ground shipping. Even when they pay, satisfaction is not guaranteeD.After September 11, security scrutiny of air freight can result in long delays—which means roads may actually be faster. That's another reason why the number of packages shipped by air domestically fell 7.6% in 2001. And even with the recovery under way, air express volume is forecast to rebound by just 3% this year. 'There's a mass migration from air to trucks,' says Jerry Levy, marketing director for air shipper Bax Global InC.The industry's giants are ready to roll with the changE.In the past several years, FedEx and UPS have rebuilt their ground networks as a series of regional hubs able to deliver most packages overnight within a 700 mile radius. 'Now, we can move a package in the most expedient way ground or air or a combination of both,' says Tom Weidemeyer, UPS' chief operating officer and president of its airline unit. New technologies—including bar coding, satellite tracking, online billing and status—are easing the transition. Even impatient customers are willing to do without overnight delivery 'if they know when a shipment will arrive,' notes Brian Clancy, a principal at industry consultant Merge-Global InC.The grounding of so much freight is solidifying the lead of UPS and FedEx. 'We're able to keep business in the family that we might have lost,' says William Margaritis, FedEx's corporate vice-president for worldwide communications. His company has invested $700 million in a new ground-delivery network while deferring the delivery of 123 aircraft. And strict new security requirements have forced the passenger airlines to stop carrying packages for the U.S. Postal Service, notes Richard Lung, director of revenue management at United Airlines InC.'s cargo unit. And small shippers, whether air or truck, lack the capital to build hybrid networks. 'We got caught with our pants down,' says Levy of Bax Global, which added a ground-delivery unit in 2000. Slow and steady really does win the racE.We can learn from the beginning of the text thatA.customers used to attach importance to fancy packaging.B.there is a radical change in customers' considerations.C.it is high time that delivery service would better quality.D.customers now tend to choose speed over cost savings.

未知题型 与Wish“五星计划”合作的企业，其注册资金不能少于（）。