【题目】下表反映我国土地人口承载力与生活类型的关系。读表回答下列问题。
生活类型 | 富裕型 | 小康型 | 宽裕型 | 温饱型 |
可承载人口(万人) | 85 358 | 93 894 | 104 330 | 117 370 |
【1】由上表可以看出( )
A. 土地人口承载力具有相对确定性
B. 土地人口承载力小于土地的人口合理容量
C. 生活消费水平是影响环境人口容量的首要因素
D. 土地人口承载力与生活消费水平之间存在正相关
【2】提高我国土地人口承载力的正确途径是( )
①控制人口数量 ②提高资源利用率 ③提高人们消费水平 ④提高对外开放程度
A. ①② B. ①③
C. ②④ D. ③④
【题目】Cloze 3(2017届江西九江七校高三联考)
体裁 | 文章话题 | 词数 | 建议时间 | 难度 | 自测正确率 |
说明文 | 外部的电话天线 | 192 | 10分钟 | ★★★★☆ |
Scientists are working hard to develop better aerials(天线)for mobile phones, a spokesman for Phikia Phones said today. "It really 1 (annoy) users when they lose the signal in the middle of a call, 2 we are developing new aerials that will enable users 3 (receive)stronger signals. Many users reported that when they 4 (travel),the signal was often lost",said the spokesman. The new aerials are designed to avoid losing the signal 5 receiving the message on a wider range of radio frequencies. "we have learnt that this is a major concern for phone users", said the spokesman. The new phones have a 6 (flexibility) external aerial , which users will have to get used to 7 (touch) their ear or head. The aerials that make the phones able to pick up a wider range of signals. The company spokesman insisted 8 this was not a potential danger. "Every safety regulation has been followed", he told our reporter. "If I 9 (have)one of these phones this morning, I wouldn’t have missed my train coming here", 10 (joke) the spokesman.