(1)A.推理判断题.根据上文 Why do mosquitoes ,everywhere in warmer months,disappear completely in winter?可知,为什么蚊子在温暖的月份到处都消失在冬天?因此选项A.显而易见的答案是天气很冷.符合题意.故选A项. (2)D.细节理解题.根据下文They would never be able to fly far enough.可知,他们永远无法...
根据上文“Why do mosquitoes ,everywhere in warmer months,disappear completely in winter?”询问为什么冬天蚊子消失,而温暖的月份蚊子到处都是?,而A项“显然是因为寒冷”则是前句的答案,前后句一问一答。故选A项。【小题2】根据下文“They would never be able to fly far enough.”它们永远飞不了那么远,...
Host selection is greatly influenced by the relative abundance of hosts found in the mosquito’s foraging habitat. Its feeding preferences have been shown to change over the seasons, feeding on avians in the winter and spring and mammals in the summer and fall. Females seek hosts and blood ...
That is the point where mosquitoes will become active, whether they’re hibernating or incubating as eggs. For species that hibernate, once temperature levels reach 50°F on a consistent basis, mosquitoes will emerge from hibernation.For species that die off in the winter, 50°F is the point...
The meaning of MOSQUITO is any of a family (Culicidae) of dipteran flies with females that have a set of slender organs in the proboscis adapted to puncture the skin of animals and to suck their blood and that are in some cases vectors of serious disease
( C )49. Why can't mosquitoes live in Iceland? A. Because people in Iceland kill baby mosquitoes. B. Because it's impossible for mosquitoes to lay eggs. C. Because their eggs can't live in such weather there. D. Because it's hard for mosquitoes to spend the winter there.( D )...
根据“Unlike birds, mosquitoes don’t fly south for winter in droves”可知,它们飞不远。故选B。 (6)题详解: 句意:对于雄性和雌性蚊子来说,“冬天蚊子去哪里?”这个问题的答案是不同的。 different不同的;the same相同的;true真的。根据“Male mosquitoes? They die”以及“Female mosquitoes, though, ...
1994. Inmature stages of mosquitoes (Diptera: Culicidae) collected during the autumn-winter period in Cordoba province, Argentina. Mem. Inst. Oswaldo Cruz Vol 89(4) : 625-628.Almiron WR, Brewer ME. Immature stages of mosquitoes (Diptera: Culicidae) collected during the autumn-winter period in...
Cloze test.Why are there so many mosquitoes in warm months? And where do they go in _1 ? Why is anything around less during winter? _2_ of the cold weather. Mosquitoes are no exception, Mosquitoes are active when it's warm and wet. This means that they _3_ the cold. When _4_ ...
( )4. Why can't mosquitoes live in Iceland? . Because people in Iceland kill baby mosquitoes. . Because it's impossible for mosquitoes to lay eggs. . Because their eggs can't live in such weather there. . Because it's hard for mosquitoes to spend the winter there.( )5. In which ...