2019届宝山区中考英语一模 I. Read the passage and fill in the blanks with proper words（ 在短文的空格中填入适当的词,使其内容通顺,每空格限填一词, 首字母已给） Watch young children in a school class. You will often notice that there are three or four—especially boys who cannot sits s_____81____. They have trouble paying attention to the teacher for longer than a few minutes, and they seem to forget things the teachers tells them. What is the manner with them? Many doctors think they need medicine, so they give the children a drug c_____82____ Ritalin（利他林）. It is supposed to help them settle down and pay better attention. It works, but it is also dangerous. Ritalin has some bad side effects, and it can even kill children who take too much. Because of the serious side effects of Ritalin, many people think it is not good for children.