专题06 非谓语动词 题量要求:( 35分钟) (基础题) ________(select) from collections throughout the world, it is the first major exhibition of his work ________(hold) in over forty years. That is the very likely future of applying today's "eyes in the sky" technology to ________(make) sure that the millions of kilometres of rail tracks and infrastructure(基础设施)worldwide are safe for trains on a 24/7 basis. It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance, ________(include) sending maintenance staff, often at night, to inspect and repair the rail infrastructure. That can be dangerous work that could be avoided with drones ________(assist) the crews' efforts. By ________(use) the latest technologies, drones could also start providing higher-value services for railways, detecting faults in the rail or switches, before they can cause any safety problems. ________(perform) these tasks, drones for rail don't need to be flying overhead. First announced in April, 2016, the tax which applies to soft drinks containing more than 5g of sugar per 100ml, was introduced________(help) reduce childhood obesity(肥胖). It comes after more than half of soft drinks sold in shops have had their sugar levels cut by manufacturers(制造商)so they can avoid ________(pay) the tax. Since April drinks companies have been forced to pay between 18p and 24p for every litre of sugary drink they produce or import, ________(depend) on the sugar content. ________(help) the next generation to have a healthy and active childhood is of great importance, and the industry is playing its part. Though not ________(know) to use tools in the wild, the birds have proved skilful at tool use while kept in the cage. This ability ________(recognize) that a shape will need to be turned in a specific direction before it will fit is called an “allocentric frame of reference. In the experiment, Goffin’s cockatoos were able ________(select) the right tool for the