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问题 问答题

被运动员踢出的足球沿如图所示的轨迹运功，足球的重为5N，在图中画出足球受重力的示意图．

答案

过球心沿竖直向下的方向画一条带箭头的线段，并用符号G表示，大小为5N．如图所示：

多项选择题

肠内营养支持时，应注意（）。

A.营养液现配先用，粉剂应搅拌均匀

B.营养液配制后若暂不输注，冰箱冷藏，输注前微波炉复温后再输

C.长期留置鼻胃管者，每日进行口腔护理

D.注意放置恰当的管路标识

E.避免空气入胃，引起胀气
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完形填空

请根据上下文内容，将文中划线部分译成汉语或者英语。

Our school is famous for its history and its achievements. It was founded in the 1950s. 61.It is a good place where we can prepare ourselves well for the future. We have many wonderful teachers who are always ready to offer help.62.Though we pay a lot of attention to how well we do in the lessons，63.但是取得高分不是我们学习的唯一原因。The teachers encourage us to try out new ideas and ask questions.64.With their help we have developed all kinds of interests in many aspects. Students can also choose to join some school clubs they are interested in.65.我们还可以选择我们喜欢学的科目.We have a happy study life here. I love my school and hope that it will be better and better.
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