As a Senior 3 student，if you want to get a good result，it is important to a good state of mind for the ing entrance examination．
A. keep up
B. carry out
C. keep off
D. keep out
网友回答
(答案→)A. keep up
B. carry out
C. keep off
D. keep out
解析：短语辨析。keep up 保持；carry out执行；keep off使不接近，挡住；keep out扣留，留下。句意：作为一个高三学生，如果你想得到一个好结果，对即将到来的高考保持一种良好的心态是非常重要的。所以选A。