Children have obvious physiological and mental superiority on language learning, but there are many problems among which the content of the textbook can not be ignored.
小学生语言学习具有明显的心理和生理优势，但目前的小学英语教学中仍然存在很多问题，教学内容的问题不可忽视。
Physiological function training of new fighter pilots, and prevention and treatment of spinal disorders should be strengthened, and such social and mental problems should be solved.
应加强飞行员生理机能训练及脊柱疾患的防治，解决好社会-心理问题。
Physiological function training of new fighter pilots, and prevention and treatment of spinal disorders should be strengthened, and such social and mental problems should be solved.
应加强飞行员生理机能训练及脊柱疾患的防治，解决好社会-心理问题。
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