1,有些学生因为不得不努力学习而变得忧虑 2,上海大约有18%的青少年存在心理问题 3,许多存在心理问题的学生不愿意寻求意见或帮助 4,有些学生认为他们去看医生看起来很愚蠢 5,参加社交活动和体育运动 连词成句 1,there,animals,are,fish,and,now,birds 2,chemicals.into,water,more,the,bad,this,go,so,way 3, machines,their,use,or,shops,businesses,in,chemicales 4, motorboats,ues,mustn't,the,more,on,any,they,lake 5, lake,clean,must,clean,into,have,rainwater,a,going,it 另外 These websits are made by web designers(改为主语动态) Web designers ________ these websites 回答好大+30分