【题目】Studies show that people are more __________ to suffer from back problems if they always sit before computer screens for long hours.
A. likely B. possible C. probable D. Sure
在线课程【答案】A
【解析】
试题分析：考查形容词。句意：研究发现如果人们长时间的坐在电脑前那么他们就更容易产生背部毛病。Be likely to do很有可能干某事，固定搭配，故选A项。