主题预测04 自然地理-2021年高考英语语法填空考前预测80篇

2021年高考英语语法填空考前预测80篇04 主题预测之自然地理 1 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 China's national observatory on Monday issued a yellow alert for sandstorms in the northern part of the country. “1. （start）from Monday to 8 a. m. Tuesday, affected by cold fronts and heavy winds, floating sand and dust 2. （expect）to sweep parts of several northern provinces and the city of Beijing,” 3. （forecast）the NMC. Some regions in Inner Mongolia, Ningxia, Shaanxi and Shanxi were hit by strong sandstorms. The capital Beijing was enveloped in yellow dust 4. Monday morning with visibility at less than 1 km, 5. followed an official yellow warning for the sandstorm. The sandstorm is the strongest and the most sweeping 6. in nearly a decade. Remote sensing images of dust in northern China show the dust from Mongolia 7. （gradual）traveled south with the airflow. This wave of sandstorms is a result of the combined 8. （effect）of cold air and cyclones from Mongolia. “The combined action of the Mongolian cyclone and the cold high 9. （press）provided a strong impetus（动力）for the sandstorm,” said Zhang Bihui, 10. senior engineer with the NMC. 2 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。 For 300 years, the Slims River had been flowing through Canada's Yukon region. But last year, in only four days, the water in the big river reduced sharply,11. made the river almost disappear. What happened? After a year of careful studies, a group of12. (scientist)recently said that the sudden change of the river13. (cause)by climate change, reported The Guardian. The Slims River used14. (be) a big river, reaching up to 150 meters at its15. (wide)points. It carried meltwater from the huge Kaskawulsh glacier into the Kluane River, then into the Yukon River toward the Bering Sea. But in spring 2016, there was a sharp melting of the Kaskawulsh glacier because16. climate change. It redirected the meltwater into17. second river, the Alsek River, then into the Gulf of Alaska. In geography, this is called "river piracy",18. (me