问题
选择题
While visiting the robot exhibition, the professor kept nodding his head to express his _______ with his students’ work.
A．description
B．congratulation
C．ambition
D．satisfaction
答案
答案：D
考查短语辨析，description 描述，congratulation 祝贺，ambition 雄心，satisfaction 满意，句意：当参观机器人展览的时候，这位教授一直在点头来表达他对学生们的作品表示满意。所以选D。