一位早教中心的教师建议父母：要多和孩子说话，不要太担心孩子们说话时的错误，她还建议多和孩子一起读一些故事书。请问这位教师的建议有什么依据？
简述林木病害的概念。
Refer to the exhibit. Which option correctly describes the order of signaling and call processing events when a branch employee calls headquarters?（） ["P，S，T，U","U，T，S，P","S，U，P，T","P，U，S，T","S，P，U，T","S，P，T，U"]
简述反义寡核苷酸、小干扰RNA、核酶的概念及区别。
东晋的统治呈现出（）的特点。 ["中央垂直领导","三省六部制","三公九卿制","门阀世族政治"]
蓄积作用
