In much of the animal world, night is the time ______ for sleep—pure and simple.
A. set aside B. set down C. set off D. set up
----Are you sure you won't come for a drink with us?
----_________, if you insist.
A. Not at all B. It depends C. All right then D.I don't care
To her joy, Della earned first the trust of her students and then _____ of her colleagues.
A. those B. one C. ones D. that
--- Haven’t I told you that you should be home earlier?
--- Yes, but I _____ home earlier than I usually do.
A. was coming B. will come C. came D. had come
People develop ______ preference for a particular style of learning at ______ early age and these preferences affect learning.
A. a; an B. a; 不填 C. 不填; the D. the; an
假设你是李华。最近，你校学生会组织开展了“构建低碳校园”活动。请你围绕“节约资源，低碳生活”的主题，根据以下提示，用英语写一封倡议书, 呼吁大家行动起来。
日常出行时怎样减少碳排放；
在餐厅就餐时怎样节约粮食；
在寝室和教室如何节约水、电。
注意：
词数：不少于120词；
倡议书的开头已给出，但不计入总词数；
可适当增加情节，以使行文连贯。
Dear fellow students,
Our school advocates that we should build a low-carbon campus in order to protect the earth.
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Li Hua
