题目内容
在Excel中单元格中输入公式时,必须以___符号开头。
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一、 试译下列各句，注意在划线名词前后增加动词：1. He favored theeffortsto improve relations with all peace-loving countries.2. "Nobody could count on hisrestraintorrationality, " he said.二、 试译下列各句，注意在划线动词前增加副词：1. A seagull saw the light from my window anddartedupto it.2.He turned a chair around andstraddledit, resting his chin on the back.三、试译下列各句，注意在划线名词前增加表示复数的词：1.Thejet aeroplanesare flying over the sky.2.I remain perplexed for that despitemuch thought.四、试译下列各句，注意增加语气词：1.Don't take it seriously. I'm just joking.2.Just look at her face, red as an apple.五、试译下列各句，注意增加量词：1.A fleecy cloud floated past.2.The guard looked me up and down and then waved me in.
Watch the video again. Use words A-Eto complete the conversation.
胞质中的NADH可通过________ 和________进入线粒体。
【互感】两个相距不太远的平面圆线圈，怎样可使其互感系数近似为零？设其中一线圈的轴线恰通过另一线圈的圆心［ ］
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