Paragraph 5:In the late 1930s it became clear that plants do not measure the length of the day but of the night. If the light is turned on even briefly during the night — a minute from a 25-watt bulb would do — short-day plants such as strawberry will not flower. In contrast, ...
来一起跟着出国留学网的小编看看2019年11月9日托福阅读考试真题及答案。 阅读篇章 Juvenile moulting into adultplumage at the Little Rann of Kutch Day Length and Flowering Plants(16年6月18日考题;植物生长受到光照影响,喜光和厌光) Megafauna Extinction(18年7月8日考题,基本套路,基本套路:人类过度捕杀;气候...
托福阅读真题第272篇Day Length and Flowering Plants Day Length and Flowering Plants Most trees change with the seasons. Deciduous trees lose their leaves as winter approaches (or, in the seasonal tropics, as the dry season approaches) and enter a state of dormancy. This is not a simple shuttin...
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所属专辑:托福阅读 音频列表 1 TF273-Industrial Decline in Seventeenth-century Italy 37 2023-03 2 TF272-Day Length and Flowering Plants 50 2023-03 3 TF271-Temperature Regulation in Turtles 63 2023-03 4 TF270-Confectioners and Penny Candies in the United States ...
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Day Length and Flowering Plants Most trees change with the seasons. Deciduous trees lose their leaves as winter approaches (or, in the seasonal tropics, as the dry season approaches) and enter a state of dormancy. This is not a simple shutting down. Dormancy takes weeks of preparation...