单项选择题
A.公众已经在了解保护环境的结果上做了很大努力。 B.应大力向公众宜传忽视环境保护的可怕后果。 C.应花大力气通知公众忽视环境保护的可怕后果。 D.人们已经在向大众宜传保护环境的结果上做了很大努力。
A.The amount of exercise. B.The age, sex and body type. C.Structural abnormalities. D.Tile sudden increases in training intensity.
A.all the activities about plagiarism B.the activities of self-plagiarism C.the argument for the impossibility of self-plagiarism D.the argument for the possibility of self-plagiarism