内容正文:
高二英语(上)期末复习语法填空专题训练
一
Most animals seek shade when temperatures in the Sahara Desert soar to 120 degrees Fahrenheit. But for the Saharan silver ant, ___66___ (crawl) from their underground nests into the burning sun to hunt for food, this is the perfect time to seek lunch. In 2015 these ants were joined in the desert by scientists from two Belgian universities, ___67___ spent a month in the extreme heat tracking the ants and digging out their nests. The goal was simple, to discover ___68___ the species adapted to the kind of heat that can literally melt the bottom of shoes.
Back in Belgium the scientists looked at the ants under an electronic microscope and ___69___ (find) that their thick triangular hair reflects light like a prism (棱镜), giving them a metallic reflection and protecting them from the sun’s awful heat. ___70___(cover) in tiny silver hair, the ant looks like a ball of mercury. ___71___ PhD student Quentin Willot removed the hair from an ant with tiny knife and put ___72___ under a heat lamp, the ant’s temperature jumped.
This silvery ant is ___73___ champion of the desert, the species that does the best job in these difficult conditions. Its method of staying cool is unique among animals. Could this reflective type of hair protect people? Willot says companies are interested in adapting these ants’ method of heat ___74___ (protect) for human use, including everything ____75____ helping to protect the lives of firefighters to keeping homes cool in summer.
二
Seven construction (建筑) workers were confirmed dead after going missing in extreme weather conditions in Altay city in Xinjiang Uygur autonomous region, according to a statement ___91___ (release) by local government at late night on Monday. Starting from Nov. 20, the ___92___ (strong) cold air recorded in a decade has been sweeping the city, bringing in strong winds, snowstorms and freezing cold temperatures, the statement said. At around 11 pm on Saturday, local police received ___93___ emergenc