题干

水轮属于____运动(填运动类型),也属于____运动(填运动方式)。

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答案(点此获取答案解析)

旋转,曲线

同类题2

阅读课内现代文,完成后面小题。

走一步,再走一步(节选)

莫顿·亨特

    我从悬崖边向下望,感到头晕目眩;我绝对没法爬下去,我会滑倒摔死的。但是,往崖顶的路更难爬,因为它更陡,更险。我听见有人啜泣,正纳罕那是谁,结果发现原来是我自己。

    时间一分一秒地过去,暮色开始四合。在一片寂静中,我伏在岩石上,恐惧和疲乏使我全身麻木,不能动弹。

    暮色苍茫,天上出现了星星,悬崖下面的大地越来越暗。这时,树林里有一道手电光照来照去。我听到了杰利和我父亲的声音!父亲的手电光照着我。“下来吧,孩子,”他带着安慰的口气说,“晚饭做好了。”

    “我下不去!”我哭着说,“我会掉下去,我会摔死的!”

    “听我说吧,”我父亲说,“不要想着距离有多远。你只要想着你是在走一小步。你能办得到的。眼睛看着我电筒的光照着的地方,你能看见石架下面那块岩石吗?”

    我慢慢地把身体移过去。“看见了。”我说。

    “好,”他对我说,“现在你把左脚踏到那块岩石上。不要担心下一步。听我的话。”

    这似乎能办得到。我小心翼翼地伸出左脚去探那块岩石,而且踩到了它。我顿时有了信心。“很好,”我父亲叫道,“现在移动右脚,把它移到右边稍低一点的地方,那里有另外一个落脚点。”我又照着做了。我的信心大增。“我能办得到的。”我想。

    我每次只移动一小步,慢慢爬下悬崖。最后,我一脚踩在崖下的岩石上,投入了父亲强壮的手臂中。我先是啜泣了一会儿,然后,我产生了一种巨大的成就感。这是我永远忘   不了的经历。

    我曾屡次发现,每当我感到前途茫茫而灰心丧气时,只要记起很久以前我在那座小悬崖上所学到的经验,我便能应付一切。我提醒自己,不要想着远在下面的岩石,而要着眼于那最初的一小步,走了这一步再走下一步,直到抵达我所要到的地方。这时,我便可以惊奇而自豪地回头看看,自己所走过的路程是多么漫长。

同类题3

任务型阅读

    Nowadays, many people do not read for pleasure. The Internet and television have become most people's main form of entertainment, and reading is becoming a thing of the past. ____ And there are ways to make it even more enjoyable, whether you do it frequently or just for assignments.

    Indentify what kind of reading you want to enjoy.

    Believe it or not, people enjoy different kinds of reading. Some people do research, some people read to learn how to do things, and some people read in order to enjoy stories or poetry. ____

    Realize that there are countless types of reading materials.

    For example, if you want to read stories, keep in mind that there are many types, like romantic novels, creative nonfiction, etc. Don't decide you don't like reading just because you don't like one particular kind of books. ____ But in the end, you'll slowly develop an interest in reading.

    Try listening to music.

    ____Soft music is generally received better, but any type will do. It depends on what you like.

    ____

    Find a place that is quiet, well-lit, and comfortable. You can even make a reading comer in your room.

A. Create a good reading environment.

B. Concentrate on what you're reading.

C. Remember, you will have trial and error.

D. Therefore, watching TV plays an important role.

E. Before anything else, figure out why you want to read.

F. For some people, this makes reading more pleasant.

G. However, reading can greatly increase your life experience.