2017年12月四六級真題答案※ 微信對答案 ※ 萬題庫估分

　　Passage one

　　46. D. “in what way it can be beneficial”

　　根據題目中的定位詞(puzzling about)定位到第二段第二句“the puzzle was what benefit would be gained for it”和D選項“in what way it can be beneficial”是同義句替換。

　　47. C “she got some idea from previous studies on birds and dolphins

　　根據題目中的“learn about Dr. Yuka Sasaki doing his research”可定位到第二段第三句第四句 “she also knew from previous work conducted on .... this led her to wonder if people might be doing the same thing”可以得知她從previous work 里邊獲取一些想法。

　　48. A “she monitored the brain activity of participants sleeping in a new environment”

　　從第二段第五句和第六句“to take a closer look, her team...as they slept in the unfamiliar environment of ... the participants each slept...monitored with techniques that looked at the activity of their brains”可以得知選擇A選項。

　　49. C “she exposed her participants to two different stimuli”

　　第三段第一句后半部分“Dr Sasaki re-ran the experiment while...with a mix of regularly timed beeps of the same tone and irregular beeps of a different tone”可以得出答案C。

　　50. B “they tended to perceive irregular beeps as a threat”

　　根據文章最后一句“this is precisely what she found”可以得知答案出現在前一句，文章倒數第二句和C選項意思一樣。

掃描/長按二維碼可獲取四六級真題答案

獲取2017四級真題答案

獲取2017六級真題答案

獲取四六級成績查詢

獲取2018一次通關技巧

四六級萬題庫下載 | 微信搜索"萬題庫英語四六級考試"

　　相關推薦：

　　2017年12月英語四六級真題及答案解析※ 關注微信，對答案看解析！

　　四六級評分標準 ※ 最新算分器 ※ 英語四六級萬題庫估分[手機題庫下載]

　　2017年12月四六級成績查詢時間 ※ 微信查分提醒 ※ 四六級合格分數線