题干

平移变换不仅与几何图形有着密切的联系,而且在一些特殊结构的汉字中,也有平移变换的现象,如:“日”,“朋”,“森”等,请你开动脑筋,再写出两个具有平移变换现象的汉字____ 

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答案(点此获取答案解析)

羽,圭,品,晶等,答案不唯一 

同类题4

阅读理解

    Open work spaces definitely have their benefits,but they come with the drawback of offering employees little to no control over visual distractions(干扰).With so many people around and so much going on,some of us can easily get disturbed by this information overload and lose focus in what's really important.That's where the Focus Cap comes into play.

    “As we are still cavemen or mammals kept in an unnatural environment,I believe that only by reclaiming(收回)the normal,stress-free human state through simple tools and techniques can we finally release our actual creative potential and create our meaningful work for a brighter future,”says German designer Hannes Greblin,inventor of the Focus Cap.

    After looking at other products designed at minimizing visual distractions,Greblin decided that most of them were either too expensive or too uncomfortable to become mainstream,so he decided to go with something much simpler —a simple cap with a retractable visor(可伸缩的帽沿).

    Greblin's Focus Cap is really straightforward.You just wear it like a regular cap'with the sides of the visor retracted,and just collapse the sides whenever you need to focus on what's ahead of you.Whether you're trying to focus on a task in an open work office.Trying to study at university,or practicing yoga in a park and trying to ignore stares from strangers,the Focus Cap can help.

    To be honest,this whole project sounds like a joke,but the Focus Cap does have its own website where people interested in this unusual accessory can actually sign up for updates on when it will go on sale.Greblin claims it will cost 30 euros($37)plus shipping.

同类题5

阅读下文,回答相关问题。

                                                                                                                                           阳光下的守望
        ①我见过一个母亲,一个阳光下守望的母亲。母亲就站在七月炙热的阳光下翘首望着百米外的考场,神色凝重。母亲脸上早已狼藉着豆大的汗珠,汗水早就将她的衣衫浸得水洗一样,她的花白的头发凌乱地贴在前额上。母亲就这样半张着嘴,一动不动地盯着考场,站成了一尊雕像。
        ②树阴下说笑的家长停止了说笑,他们惊讶地望着阳光下的母亲。有人劝母亲挪到树阴下,母亲神情肃然的脸上挤出个比仲春的冰还薄的笑,小声嗫嚅道:“站在这里能清清楚楚地看到考场,能清清楚楚地看到孩子。”
        ③没人笑她痴,没人笑她傻,也没人再劝她。
        ④烈日下守望的母亲舔了舔干裂的嘴唇,目光扫了扫不远处的茶摊,就目不转睛地盯着考场。不知过了多久,也许是半个小时,也许是一个小时,母亲就像摊软泥一样瘫在了地上。众人一声惊呼后都围了上去,看千呼万唤后她仍是昏迷不醒,便将她抬到学校大门口的医务室里。
        ⑤听了心跳,量了血压,挂了吊针,母亲仍然紧闭着双眼。经验丰富的医生微笑着告诉众人:“看我怎样弄醒她。”
        ⑥医生附在母亲耳边,轻轻地说了句:“学生下考场了。”母亲猛地从床上坐起来,拔掉针头,下了病床:“我得赶快问问儿子考得怎么样。”
        ⑦我常常将这个真实的故事讲给我的学生听,学生说,这个故事抵得上一千句枯燥无味的说教。

                                                                                                                                                                                                                          (《阳光下的守望》)