短语填空。根据语境,用方框中所给短语的适当形式填空。(每个短语仅使用一次)a variety of; day in and day out; abundant in; out of the question; settle in; be close to; make an apology for; take...as an example; in the company of; be parallel to 【小题1】It will take us another day to ________.【小题2】His brother left school for ________ reasons that year.【小题3】The boy had no money,so it was ________ for him to go to the movies.【小题4】My high school English teacher ________ me. She was almost my best friend.【小
直线(t为参数)的倾斜角是
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A. 20° B. 70° C. 110° D. 160°