【判断题】电机的输出功率小于额定功率时称为轻载运行。
【单选题】From the mid-1980s, the Chinese government began to give top ___ to scientific and enducationa development.
【单选题】请听录音,完成下面的题目
D.
Sending messages through social media sites.
【判断题】From the mid-1980s through the mid-1990s, the percentage of consumers reporting that they were very concerned about the nutritional content of the food they ate fell slightly.
【单选题】From the mid 1980s, the Chinese government began to give top _____to scientific and educational development.