2017年12月英语四级阅读答案:试卷一仔细阅读1(沪江网校版)
答案 46. D) In what way it can be beneficial. 47. C) She got some idea from previous studies on birds and dolphins. 48. A) She monitored the brain activity of participants sleeping in a new environment. 49. C) She exposed her participants to two different stimuli. 50. B) They tended to perceive irregular beeps as a threat. |