The Economist calculates that around the world almost 290 million 15- to 24-year-olds are neither working nor studying: almost a quarter of the planet's youth. On the other hand, many of the "employed" young have only informal and【C1】______jobs. In rich countries more than a third, on average, are on temporary【C2】______which make it hard to【C3】______skills In poorer ones, according to the World Bank, a fifth are【C4】______family labourers or work in the informal economy.【C5】______, nearly half of the world's young people are either【C6】______the formal economy or contributing less【C7】______than they could. What has caused this【C8】______of joblessness? Young people have long had a raw【C9】______in the labour market. Two things make the problem more【C10】______now. The financial crisis and its consequence had an unusually big【C11】______on them. Many employers【C12】______the newest hires first, so a【C13】______raises youth joblessness disproportionately. Second, the emerging economies that have the largest and fastest-growing【C14】______of young people also have the【C15】______labour markets. Almost half of the world's young people live in South Asia, the Middle East and Africa They also have the highest【C16】______of young people out of work or in the informal sector. In rich countries with generous welfare states this【C17】______a heavy burden on taxpayers. One estimate suggests that, in 2011, the economic loss from【C18】______young people in Europe【C19】______to $153 billion, or more than 1% of GDP. And failure to employ the young not only【C20】______growth today. It also threatens it tomorrow.
【答案解析】解析：上一句提到许多被雇用的年轻人只是做非正规的(informal)工作。空格所在句分析富裕国家情况，比照这两句，可知have only informal and——jobs与are on temporary…意思应一样，C项contracts“合同”代入空格，“处于暂时的合同中”即为“有不正式的工作”。