根据 They asked them to do a simple math exam while sitting in a slumped-over (趴倒的) posture, or sitting up straight. 可知科学家在测试中要求大学生以不同的姿势坐 着,故选 D。 (3)细节题。根据 After the test, 56 percent of students said the exam was easier to do if...
He explains things in a simple and easy-to-understand way, which makes learning so much fun. Tom is not only a good friend but also a great mentor. Moreover, Tom has a wonderful sense of humor. He can always make everyone laugh with his funny jokes and witty remarks. He has a ...