問題詳情
Dr. Jill Mason is an expert on the sleeping behavior of animals. In her book, While They’re Sleeping!, she discusses all the weird (怪異的) but wonderful ways in which animals get their rest. The early chapters deal with how animals stay safe while they are asleep. Giraffes, who sleep only (46) to avoid predator attacks, are mentioned first. The unique sleeping position of sea otters is also discussed. This is followed by the (47) sleeping secrets of Alpine swifts and dolphins.
(48) half of the book is mainly about how and why bears and other animals hibernate. It deals with how they are able to live without food for months, and where they sleep. Finally, Dr. Mason also explains how these creatures prepare to sleep for so long (49) . All in all, the book is (50) the finest of its kind available. Pick up your copy today!
【題組】46.
(A) thirty minutes the day
(B) thirty minutes a day
(C) thirty-minutes the day
(D) thirty-minutes a day
參考答案
答案：B
難度：簡單0.826
書單：沒有書單，新增
用户評論
【用戶】鬼獄
【年級】高三下
【評論內容】CD 都錯的如果是D的話不能加sthe ☆☆☆...
【用戶】鬼獄
【年級】大一下
【評論內容】CD 都錯的如果是D的話不能加sthe ☆☆☆...