题干

小伟上小学时,大家都说他是差生,他自己在无形中也接受了别人的看法,认为自己什么都不行,开始自暴自弃。他上初中后,老师跟他说:“你聪明但学习不够勤奋,如果你能下苦功,学习成绩一定能提上来。”小伟慢慢变得自信起来,开始努力学习,在期中考试中,他的总分排名进步了10名。这对我们的启示是(    )

①正确认识和评价自我,对我们的成长有重要意义

②对别人的态度和评价应冷静、客观地分析

③不要相信同学对自己的评价

④说自己好的评价要相信,说自己不好的评价不要相信

A:①④

B:①②

C:②③④

D:①②③

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答案(点此获取答案解析)

B

同类题4

阅读理解

    After opening the world's first commercial Direct Air Capture plant(直接空气捕集工厂)designed to pull CO2 out of the air, Swiss company Climeworks is now trying to create the world's first “negative emission(负排放)” power plant.

    An international team of scientists has been working on a way to turn captured CO2 into minerals. The project is called CarFix. Experts capture the gas, put it into water and send it to more than 700 meters underground. There the CO2 on contact with a special kind of rock forms into a mineral.

    “Our results show that between 95 and 98 percent of the CO2, sent underground was mineralized over the period of less than two years, which is amazingly fast,” says lead author of the CarFix project, Dr. Juerg Matter. Before this discovery it was thought that this mineralization could take hundreds to thousands of years.

    The DAC technology can collect CO2 from the atmosphere and then store it underground or sell it to business needing the gas. For example, customers can use it in drinks. And the first plant in Zurich is supplying the captured CO2 to a nearby greenhouse to “feed” vegetables. By using the company's CO2 the customers can reduce their carbon mission as well as lower their dependence on energy.

    A 2015 study suggested that before the CarFix project, experts could collect CO2, but they didn't have a large-scale(大规模的)method to safely treat it.

    Combining Climeworks' DAC technology with the CarFix mineralization process they will be able to create a system. This system doesn't put additional carbon back into the atmosphere. Actually it is carbon negative.

    “The economic cost of applying this kind of carbon capture technology on a large-scale is not particularly practical now, but for the first time we are seeing a realistic and effective system,” says Christoph Gebald CEO of Climeworks.

同类题5

阅读下面的作品,完成1-4题

                                                                                                        比邻而居

                                                                                                             王安忆

    装修的时候,有人提醒我,不要使用这条公共烟道,应该堵上,另外在外墙上打一个洞,安置排油烟机的管子。可是,我没听他的。好了,现在,邻居家的油烟就通过我家的排油烟机管道,灌满了厨房。

    我可以确定,我家厨房的油烟仅来自于其中一家,因为油烟的气味是一种风格。怎么说?它特别火爆。花椒、辣子、葱、姜、蒜、八角,在热油锅里炸了,轰轰烈烈起来了。这家人在吃方面还有一个特征,就是每顿必烧,从不将就。时间长了,我对他们生出一些好感,觉得他们过日子有着一股子认真劲:一点不混。并且,也不奢侈。他们老老实实,一餐一饭地烧着,一股浓油赤酱的味,使人感到,是出力气干活的人的胃口和口味,实打实的,没有半点子虚头。在我的印象中,他们没落下过一顿。他们在吃的方面,一是有规律,二是很节制。这些,都给人富足而质朴的印象,是小康的生活气息。

有一段日子,在一日三餐之外,这家人还增添了两次草药的气味。草药的气味也是浓烈的,“扑冶一下进来,涌满了厨房。不知是因为草药气的影响,还是实际情况如此,一日三餐的气味不那么浓郁了。倒不是变得清淡,而是带些偃旗息鼓的意思。这段日子蛮长的,这么算吧,每周炖一次鸡汤,总共炖了四至五次。草药的苦气味和鸡汤的香味,是这段时间油烟味的基调。这也是认真养病的气味:耐心,持恒,积极,执着。之后,忽然有一天,我家的厨房里滚滚而来一股羊肉汤的气味。这就知道,他们家人的病好了,要重重地补偿一下,犒劳一下。倒不是吃得有多好,但它确有一种盛宴的气氛,带有古意。古人们庆贺战功,不就是宰羊吗?果然,草药味从此消遁,炖汤的绵长的气味也消遁,余下一日三餐,火爆爆地,照常进行。

    虞在较长一段稔熟的相处之后,我家厨房来了一个不速之客,那是一缕咖啡的香气。这是另一路的气味,和他们家绝无相干。它悄悄地,夹在花椒炸锅的油烟里,进来了。这是一股子虚无的气息,有一种浮华的意思在里面,和他们家实惠的风格大相径庭。因此,我断定,这又是一户新入住的人家,很没经验地,也将管子接进了烟道,又恰逢顺时顺风,于是,来到我家厨房凑热闹了。这一路的风格显然要温和、光滑一些,比较具有装饰感,唤起人的遐想。和它不那么实用的性格相符,它并不是按着一日三餐来,不大有定规,有时一日来一次,有时一日来两次,有时一日里一次不来,来时也不在吃饭的点上,而是想起了,就来,想不起,就不来,显得有些孱弱似的。而那先来的,从来一顿不落,转眼间,油烟全面铺开,又转眼间,油烟席卷而去,总是叱咤风云的气势。但是,有时候,夜已经很深了,那新来的,悄然而至。咖啡的微苦的香味,弥漫开来。

    气味终究有些杂了,可是泾渭分明,绝不混淆。你来我往,此起彼伏。再过段日子,又来了一个,显见得是苏锡帮的,气味特别甜,空气都能拉出丝来了。第四位又来了,它一方面缺乏个性,另一方面又颇善融会贯通。它什么都来:香、辣、酸、甜,大蒜有,大蒜粉也有,麻油有,橄榄油也有。于是,所有的气味全打成一团,再分不出谁是谁的来路。我们这些比邻而居的人家,就这样,不分彼此地聚集在了一处。

    这一日,厨房里传出了艾草的熏烟。原来,端午又到了。艾草味里,所有的气味都安静下来,只由它弥漫,散开。一年之中的油垢,在这草本的芬芳中,一点点消除。渐渐的,连空气也变了颜色,有一种灰和白在其中洇染,洇染成青色的。明净的空气其实并不是透明,它有它的颜色。

                                                                                                                                                                                                  (有删改)