山东省桓台第二中学2014届高三上学期期中考试英语试题试卷(6)

高三期中考试英语卷答案
 
 
 
参考答案
76. Chewing gum can raise grades of teenagers. /Chewing gum may help improve performances of teenagers.
77. It can reduce stress and help stay focused.
78. didn’t chew any gum during their study/went without
79. And while he is aware that many schools have a dim view on students’ chewing gum in class, he hopes the findings may change that a bit.
80. Because some students throw away the sticky chaw everywhere./To overcome the problem of throwing away the sticky chaw everywhere.