The purpose of non-REM sleep is even more mysterious. The new experiments, such as those _____ for the first time at a recent meeting or the society for Sleep Research in Minneapolis, suggest fascinating explanations for the purpose of non-REM sleep.

[A] maintained

[B] described

[C] settled

[D] afforded

Even non-exercisers believe they would be more attractive-|||-and confident if t

[单选题]D．uring REM, ______.A． your eyes move quicklyB． you dreamC． you are restlessD． both A and B

[单选题]The purpose of the writing is to ______.A． promote scenic spots in Canada B. advertise for the sports in BanffC． introduce tourist activities in Banff D. describe breathtaking views in Banff

[单选题]The purpose of the memo is toA．attract students’interest in the programmeB．require the parents to select a sport for their chinldC．help the staff explain the programme to the parentsD．remind teachers and lifeguards to be present on time

[单选题]Non-ironmetal（）A.非金属B.铁合金C.非铁合金

[单选题]Non-ironmetal（）A.非金属B.铁合金C.非铁合金

[名词解释] 嬷嬷（mo mo）

[单选题]（ ）The purpose of the three ads is to __________.A．sell these books to the childrenB．help children learn EnglishC．help children learn about natureD．use a dictionary to pronounce correctly

[单选题]The main purpose of the text is to _______.A． describe children’s thinkingB．answer some questions children haveC．stress the importance of communicationD．advise parents to encourage their children

[单选题]The purpose of the program is to provide training for employees so that they can work ______.A． lateB． laterC． latelyD． latest