单项选择题What does the sentence 'He is a glutton for novelty' probably mean?A.The newborn is greedy for new fooD.B.The newborn tends to overeat.C.The newborn always loves things that are new to him.D.The newborn's appetite is a constant topic in novels.
单项选择题对短日植物不同部位进行黑暗处理的对比试验说明,感受光周期部位是( )。 A. 叶片 B. 花芽 C. 根系 D. 茎