学进去-教育应平等而普惠
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陕西某市中学生在学校附近进行了为期半年的天文观测,图示意观测期间前两个月内某日绘制的北极星光线和正午太阳光线位置关系。据此完成下面小题。


   
1.图示时刻,下列现象描述正确的是(     
A.纽约(40°N,74°W)日出东南B.悉尼(34°S,151°E)影长达一年最短
C.巴西利亚(16°S,48°W)正值日落D.全球新旧一天范围比大约是2:1
2.下图最能反映北极星光线与正午太阳光线之间夹角α这半年变化曲线的是(     
A.   B.   
C.   D.   
类型:选择题组
难度系数:困难0.15
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阅读图文资料,完成下列要求,

福建长汀县是我国南方水土流失典型区,区域内水土流失差异较大,地形地质条件影响显著。近年来为了实现区域可持续发展,长汀县将水土流失治理和生态旅游相结合,通过生态经济,实现生态富民。实现了从“水土流失冠军”到“水土流失治理典范”的转换。下图为该地碎屑岩分布区水土流失模式图。



(1)与其它地区相比,裸岩地区域水土流失较强,请对此加以解释。
(2)福建长汀在水土流失治理工作中,因地制宜,优化布局,形成了封禁、种植等高草灌、小穴播草、浅层播草、种植灌木乔木等行之有效的科学治理措施。结合下表各分布区的特点,说出适宜各区域的水土流失治理措施。
分布区特点
山脊分布区山顶,山脊基岩裸露,山坡土壤层薄
砂岩分布区基岩裸露,多裂隙
泥岩分布区泥岩全风化,分布薄土壤层
下坡和坡脚残坡积层土壤发育较好
(3)说明长汀县依托水土流失治理发展生态旅游的社会效益。
类型:综合题
难度系数:困难0.15
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已知函数
(1)若函数(其中:的导数)有两个极值点,求实数a的取值范围;
(2)当时,求证:
类型:解答题
难度系数:困难0.15
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聚合硫酸铁[Fe(OH)SO4]n能用作净水剂(絮凝剂),可由绿矾(FeSO4·7H2O)和KClO3在水溶液中反应得到。下列说法不正确的是
A.KClO3作氧化剂,每生成1 mol [Fe(OH)SO4]n消耗6/n mol KClO3
B.生成聚合硫酸铁后,水溶液的pH增大
C.聚合硫酸铁可在水中形成氢氧化铁胶体而净水
D.在相同条件下,Fe3+比[Fe(OH)]2+的水解能力更强
类型:单选题
难度系数:困难0.15
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【法治与德治】

材料   在人类文明形成的轴心期,德治与法治的萌芽就出现了,最早可以追溯到中国的先秦时期与西方的古希腊时期。两种治理模式都是以人之德性为根基的善治模式。德治的思想萌芽始自于《尚书》中的以德配天思想以及先秦的孔子之德政与孟子之仁政之中。法治思想开端于先秦儒家荀子的隆礼重法的思想以及韩非为代表的法家思想与西方古希腊时期的法治思想。

——摘编自徐佰义《德治与法治的伦理溯源》


请以“法治与德治”为主题,任选角度,自拟论题,运用所学知识加以论证。(要求:明确写出论题,论证须史论结合,表述成文)
类型:论述题
难度系数:困难0.15
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假如你是红星中学高一学生李华,你校将举办一次环保主题活动。请你写一封邮件,邀请你班交换生 Jim 参加。邮件内容包括:
1. 该活动的目的;
2. 该活动的日程(例如时间、地点、内容等);
3. 询问对方意向。
注意:1. 100 词左右;
2. 开头和结尾已给出,不计入总词数。
Dear Jim,
___________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua

类型:邀请信
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While many of us may have been away somewhere nice last summer, few would say that we’ve “summered.” “Summer” is clearly a noun, more precisely, a verbed noun.

Way back in our childhood, we all learned the difference between a noun and a verb. With such a tidy definition, it was easy to spot the difference. Not so in adulthood, where we are expected to “foot” bills, “chair” committees, and “dialogue” with political opponents. Chances are you didn’t feel uncomfortable about the sight of those verbed nouns.

“The verbing of nouns is as old as the English language,” says Patricia O’Conner, a former editor at The New York Times Book Review. Experts estimate that 20 percent of all English verbs were originally nouns. And the phenomenon seems to be snowballing. Since 1900, about 40 percent of all new verbs have come from nouns.

Even though conversion (转化) is quite universal, plenty of grammarians object to the practice. William Strunk Jr. and E.B.White, in The Elements of Style — the Bible for the use of American English — have this to say: “Many nouns lately have been pressed into service as verbs. Not all are bad, but all are suspect.” The Chicago Manual of Style takes a similar standpoint, advising writers to use verbs with great care.

“Sometimes people object to a new verb because they resist what is unfamiliar to them,” says O’Conner. That’s why we’re comfortable “hosting” a party, but we might feel upset by the thought of “medaling” in sports. So are there any rules for verbing? Benjamin Dreyer, copy chief at Random House, doesn’t offer a rule, but suggests that people think twice about “verbifying” a noun if it’s easily replaceable by an already existing popular verb. Make sure it’s descriptive but not silly-sounding, he says.

In the end, however, style is subjective. Easy conversion of nouns to verbs has been part of English grammar for centuries; it is one of the processes that make English “English.” Not every coinage (新创的词语) passes into general use, but as for trying to end verbing altogether, forget it.

1.What can we learn about the verbing of nouns?
A.It hasn’t recently been opposed by many grammarians.
B.It is more commonly accepted by children than adults.
C.It hasn’t been a rare phenomenon in the past century.
D.It is easily replaced by existing verbs in practice
2.What is most leading experts’ attitude towards the practice of the verbing of nouns?
A.Cautious.B.Satisfied.
C.Disappointed.D.Unconcerned.
3.What does the author think of ending the verbing of nouns?
A.Predictable.B.Practicable.
C.Approaching.D.Impossible.
4.What is the best title for the text?
A.Are 40 Percent of all new verbs from nouns?
B.Are Summering and Medaling Annoying?
C.Are You Comfortable about a New Verb?
D.Are There Any Rules for Verbing?
类型:阅读选择
难度系数:困难0.15
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2020年武警云南总队某机动支队实战化军事训练在昆明某训练基地进行。假设某特种兵小分队从水平地面B点正上方的楼房窗口A每隔相等的时间自由下落一名队员,当某队员离开A的同时,B点右侧一长为L=6.25m的平板战车开始以a=10m/s2的恒定加速度从静止开始向左运动,该队员恰好落在平板战车的左端,已知平板战车上表面距离A的竖直高度为h=5m,忽略空气阻力,重力加速度g取10m/s2,求:
(1)平板战车左端离B点的水平距离;
(2)若至少有两位队员落在平板战车上,则队员自由下落的时间间隔t应满足什么条件。
类型:解答题
难度系数:困难0.15
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从矿物学资料查得,一定条件下自然界中存在反应。(其中中Fe为+2价S为-1价)下列说法正确的是
A.既是氧化产物又是还原产物
B.参与反应的与转移电子数之比为1∶2
C.只作还原剂
D.产物中的有一部分是氧化产物
类型:单选题
难度系数:困难0.15
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春天是一个富有生命力、充满希望的季节,古往今来,很多诗人对其赞美。杜甫诗云“好雨知时节,当春乃发生”、白居易诗云“人间四月芳菲尽,山寺桃花始盛开”、贺知章诗云“碧玉妆成一树高,万条垂下绿丝绦”……对此,下列认识正确的是(     
①对春天各种景物的描写来源于诗人对春天的想象力
②对春雨、桃花、垂柳的描写体现了意识的自觉选择性
③对“人间芳菲”“山寺桃花”的描写体现矛盾特殊性
④对春天各种直观描写体现了意识活动的直接现实性
A.①②B.①④C.②③D.③④
类型:单选题
难度系数:困难0.15
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