题干

已知a>0,a≠1,若函数fx=
4
4
-
x
2
-
1
2
+
x
x>-2
loga-xx≤-2
在点x=﹣2处连续,则a=____
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    I have been living in Spain for just over a month now. This week my1came from England to visit me. They were here from Monday to Friday 2, my dad hired (租用) a car in order to get around the area easily. So, we visited Zaragoza, and went to see beautiful vineyards (葡萄园) and wine factories. My family3. came to the school I worked in during the day to meet my teachers.

    We had such a 4 time together and I was so happy to5my new life with them. The trips were a lot of fun. It was my sister who actually put the reason6. the trips had been so special into words, "Cindy, I have loved staying here7. the people who you know and the people who we have met are all so welcoming and lovely — it's 8. who have made the trips so special."

    She was 9, of course. One of my best memories from that 10. was taking my family to visit my Spanish family. Though my family couldn't speak Spanish and my host family couldn't speak English, somehow (不知为什么) (with me acting as a11. for two different languages) everyone seemed to get along really well. They even managed to start making fun of me. Another fact of making the trips so12. was when we visited the vineyards in a village. One of my colleagues (同事) told me that her parents would open the Church for us to see. This was a fantastic experience we wouldn't be able to have13.the people here weren't so welcoming and friendly.

    On future trips to new places, I will14to ask people around for help because they can always make my trips special. It is the15on the trips in our life. Try to ask people around for advice and you can always get a surprise.

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 阅读下文,回答相关问题。

                                                                                        那一片消失了的苇塘
                                                                                                 雷抒雁
     “那一片苇塘呢?”与其说我是在问这位行路的年轻人,还不如说是在问自己。
     “苇塘?”年轻人停住脚步,回过头来打量了我一眼,有些迷蒙。
     “是的。就是苇子壕。”我知道家乡人是这样称呼苇塘,重复了一句。
     “在哪里呀?”年轻人转过头去望着那一片高高低低的房舍,像是反问,又似在寻找。没有!连一根苇子都没有!从来就不曾有过呀?
     “就在这里!”我坚定地认为。
     “唔。”年轻人以怪异的目光看了我一眼,继续前行。我听见他嘟哝了一句:“梦话!”
       梦话?是的,是梦话。五十多年前,那一片茂茂密密的苇塘还在,此后,就没有走出过我的梦境。我相信,这位年轻人确实没有见过那片苇塘,那些茂密的青苇从来没有进入过他的梦中,没有给过他快乐和欢愉。他的记忆里,这里从来就是房子,房子。
       那一片苇塘属于我,属于我的童年,是我记忆和梦境最鲜活的一部分。
       那是一片十多亩的水塘,拥拥挤挤地生满了芦苇。阔叶的,秆粗且空,是织席帷用的;窄叶的,秆细却实,编了箔子,用来盖房子,或张开晾晒棉花用。在大人们里,有价值的,只是苇子;而被孩子们看做乐园的,是那一片苇塘。每天上学,我们走过苇塘,都会放慢脚步,那些花花草草,记录着时间的变化,是我们上学或放假的标志。
       一过二月二,天气就暖和了。首先是苇塘里有了动静。①穿破陈年的枯叶、烂泥和冰水,一些锥子般尖锐的苇芽脱颖而出。红红的芽尖,唤醒了池塘,沉寂了一冬天的苇塘开始有了生气。那些苇芽像是春天的旗帜和宣言,表明春天的到来,锐不可当。
     “苇子苇子,快快长。”上学去,走过塘边的小道,我们喊着。待苇芽蹿高,绽开一片两片叶子的时候,整个世界便被春天占领了。耳边,整天都是鸟儿的叫声和虫子飞来飞去的嗡嗡声,大片大片的麦田,像大地上铺展了绸缎,在和风里柔柔地抖动。②一些早熟的花草,抢夺时间一般,开始酝酿花事,商量结籽。柳丝软软地轻拂我们的脸面,牵动我们的头发,像要告诉一些什么秘密给我们。
       我们采下绽开的苇叶,卷成喇叭,把那细嘴挖扁,含在嘴里,依着喇叭的粗细,吹出粗壮的尖厉的声音;头项软软的柳条,也被折下来,捋去柳芽,拧成柳哨。这就有了一支青春的乐队,吹奏着春天的乐曲,吱吱呀呀,回响在上学的路上。引得田里干活的农人,停下手里的活计,望着我们,一任欢快与希望撩拨他们沉静的心思。
       季节像是踩着苇叶走过来的。苇叶三片四片地展开,池塘里就绿汪汪地变得浓密了。太阳开始辣辣地照在头顶,棉衣,而后是夹衣,一件件被从身上 剥掉。苇塘周围的麦子开始日渐变黄,有人拿着青杏咔嚓咔嚓一边流着酸水一边嚼起。夏天到了!
       假日里,我们会背着草笼,拿着镰刀,说是去割牛草,或者拣柴火,一整晌一整晌沉迷在苇塘边。
       夏天,是蝉的日子。我们会在塘边的树杆上拣些蝉蜕卖给县城里的药铺,无聊时也会猫一样轻轻爬到树上捉一两只笨蝉。其余时间,蝉说蝉的,我们并不答话。
      塘边的野草,我们全都认识,从蒲公英、趴地龙、香胡子到粘粘蔓,全认识。最让我们兴奋的是找到一株羊奶奶。这种蔓生的阔叶草,总是攀着芦苇往上长,一个个果实圆溜溜的,山羊奶头一般,采摘时,会流出一些白色乳汁。羊奶果鲜嫩时,放在嘴里一咬,脆生生,甜丝的。
       我们这些野孩子,就这样一天天泡在苇塘边。忽一日,采到的羊奶奶咬不动了,掰开一看,里边整整齐齐伏着一排排带着羽毛的种子。老了!我们知道,暑假也该结束了。大人们说:你们这些马驹子,该拴缰绳了吧!
       苇子说,秋天了!顶上的穗子由绿至黄继而变白,像一塘白发的老人。再过苇塘时,一些带羽毛的草籽,便飞扬起来,落在我们的肩膀上、头发上,要人带它们到远方去落户。就连圆滚滚周身是刺的苍耳,瘦扁扁顶上长了三几根钩针的“狗扎扎”,都不甘寂寞,插进布眼,爬在裤角上,要搭“便车”,到远方去旅行。
       父兄们送我们上学去,走过苇塘,一路上总在说:好好念书,日后到远处去,到大城市去。连苍耳、狗扎扎都懂得哩!
       那一片苇塘永远的没有了。消失在一些高高低低的房子下边。找它,只有在梦中,在童年的记忆里。