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【单选题】
Directions: The bar chart shows the urban population living in slums, developing regions,1990–2014. Answer the question according to the information in the chart.Urban population living in slums and proportion of urban population living in slums,developing regions, 1990–2014 Choose the INCORRECT description about the chart. _____A.
The proportion of urban population living in slums in the developing regions fell fromapproximately 46 per cent in 1990 to 30 per cent in 2014.
B.
Although the proportion of urban population living in slums declined, absolute numberof urban residents living in slums has been continuing to grow.
C.
Over 880 million urban residents are estimated to live in slums in 2014, less than in2012 but still significantly higher than other years.
D.
It can be inferred from the chart that the world’s total population living in cities in 2014increased dramatically in 2014 compared to that in 1990
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【简答题】课后作业必须和课堂教学一起进行设计。 （ ）
【单选题】关于上尿路结石的临床表现，下列哪项是错误的
A.
结石可引起钝痛和绞痛
B.
结石越大疼痛越重
C.
可引起肉眼或镜下血尿
D.
伴感染时可有尿频、尿痛等
E.
双侧上尿路结石或孤肾上尿路结石完全性梗阻时，可导致无原
【简答题】粘性土主要按 ____分类。
【单选题】粘土是由多种矿物组成的混合物,具可塑性,是陶瓷坯体生产的的主要原料。粘土按习惯分类有四种,其中 最纯的粘土,可塑性低,烧后颜色从灰到白色的是
A.
高岭土
B.
粘性土
C.
瘠性粘土
D.
页岩