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In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage. Now, Africa’s largest economy is facing a food crisis as major tomato fields have been destroyed by an insect, leading to a nationwide shortage and escalating prices. The insect, Tutaabsoluta, has destroyed 80% of farms in Kaduna, Nigeria's largest tomato producing state, leading the government there to declare a state of 26 .The insect, also known as the tomato leaf miner, devastates crops by 27 on fruits and digging into and moving through stalks. It 28 incredibly quickly, breeding up to 12 generations per year if conditions are favorable. It is believed to have 29 in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa. In Nigeria, where tomatoes are a staple of local diets, the insect's effects are devastating. Retail prices for a 30 of tomatoes at local markets have risen from $0. 50 to $2.50. Farmers are reporting steep losses and a new $20 million tomato-paste factory has 31 production due to the shortages. Given the moth's ability also to attack crops like pepper and potatoes, Audu Ogbeh, Nigeria's minister of agriculture, has warned that the pest may “create serious problems for food 32 ” in the country. Ogbeh says experts are investigating how to control the pest’s damage and prevent its spread, which has gone largely 33 until now. Despite being the continent's second-largest producer of tomatoes, Nigeria is 34 on $1 billion worth of tomato-paste imports every year. as around 75% of the local harvest goes to waste thanks to a lack of proper storage facilities. A further 35 in local supplies is yet another unwelcome setback to the industry. A) dependent I ) originated B) embarking J) reduction C) emergency K) reproduces D) feeding L ) security E) grazes M ) terror F) halted N) unchecked G) handful O ) untouched H) multitude
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参考答案:
举一反三
【判断题】糖类又称碳水化合物,因此所有糖类都可以用(CH2O)n这个实验式表示。
A.
正确
B.
错误
【单选题】被称为“中国鞋都”“中国伞都”“夹克之都”,拥有安踏、特步、七匹狼等众多驰名商标的城市是( )
A.
晋江
B.
厦门
C.
上海
D.
广州
【单选题】被称为“中国的狼”的是:()
A.
中兴
B.
浪潮
C.
华为
D.
富士康
【单选题】进口配额制主要包括两种:绝对配额和( )
A.
关税配额
B.
全球配额
C.
国别配额
D.
协议配额
【多选题】下列关于发展速度说法正确的是
A.
发展速度反映客观现象在不同时期的变化程度
B.
发展速度=报告期水平/基期水平×100%
C.
在通常情况下,报告期水平总是大于0,因此发展速度指标值也总是表现为正数
D.
发展速度指标值大于0小于1时,表明报告期水平低于基期水平
E.
由于采用的基期不同,发展速度有环比发展速度和定基发展速度之分
【多选题】关于发展速度,下列说法正确的是( )。
A.
发展速度是报告期增长量与基期水平的比值
B.
环比发展速度是报告期水平与最初水平的比值
C.
定基发展速度是报告期水平与前一期水平的比值
D.
定基发展速度等于相应时期内各环比发展速度的连乘积
E.
两个相邻时期定基发展速度的比率等于相应时期的环比发展速度
【单选题】紫外-可见分光光度法可见光的波长范围是()
A.
200-760
B.
200-400
C.
400-760
D.
100-200
【判断题】( )PLC可编程序控制器输入部分是收集被控制设备的信息或操作指令。
A.
正确
B.
错误
【单选题】被称为中国“摇滚乐教父”的是 ( )
A.
崔健
B.
高晓松
C.
老狼
D.
郑钧
【多选题】关于发展速度,下列说法正确的有( )。
A.
发展速度是报告期增长量与基期水平的比值
B.
两个相邻时期定基发展速度的比率等于相应时期的环比发展速度
C.
定基发展速度等于相应时期内各环比发展速度的连乘积
D.
环比发展速度是报告期水平与最初水平的比值
E.
定基发展速度是报告期水平与前一期水平的比值
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