71. It never_____ (occur)him that his wife done so much for him.
72. The city_______(name)after the brave hero three hundred years ago.
73. The______(careful)you write, the fewer mistakes you’ll make
74. Look at the trouble we’re in. If only we_____(follow)our teacher’s advice!
75. The past twenty years_____(witness)great development in the study of volcanoes
76. Mary tried to pick a quarrel with her husband, but the ____(后者)just ignored her.
77. ______(admit)to an American university, international students must be very competitive in spoken and written English.
78. The boy told his father a______ (tremble) voice that he had a bad report card.
79. John is smart, polite, and well-behaved. In a word, he is ______(admire)
80. The employer reminds us that being punctual is of great_____ (significantly) in workplace.
My husband Jeff and I moved into our new home in Scottsbluff last year just before Christmas. I did not have the 41 or energy to carry out my traditional Christmas decorating and baking activities. What was the point, anyway? It was going to be a 42 Christmas after all.
43 , the neighborly nature of west Nebraska residents started to trickle (陆续来临) in.
There was a 44 on the door one evening. It was Jeff’s new colleague, John Smith, and his wife, Phyllis. The Smiths had stopped by to 45 us with a loaf of homemade bread. They pointed out a 46 on the porch (门廊). Apparently the doorbell wasn’t working in the cold snowy weather and we had 47 a visit from the Browns, our across-the-street neighbors, who brought us a Christmas card and more Christmas cookies.
The 48 feelings brought by these thoughtful gestures lasted longer than the food.
As Jeff and I were 49 pre-Christmas snow from our driveway, Ernie Guzman came over from next door to 50 us to dig out.
Then, we received an invitation to 51 a Christmas Eve meal with our neighbors, Ernie and Nancy Sommer, and their 52 —a 90-year-old lady, who also had no family in the immediate area with whom to spend the holiday.
Our Christmas Eve was quite merry, thanks to our 53 . Our Christmas morning 54 was special, thanks to the Smiths’ gift of bread. I was so 55 for these gestures of welcome, especially during the holidays.
This year, we were again unable to be with our families for Christmas. The 56 and work schedules just made things too difficult. 57 that sense of Christmas isolation (孤立) all too well, we decided to try to round up some other folks who were 58 in the holidays.
Lonely people are all around us, but most of us 59 notice them. Just take a look around you. Sometimes, the smallest 60 gesture can make a world of difference.
41. A. chance B. anxiety C. time D. ability
42. A. lonely B. free C. merry D. usual
43. A. Therefore B. However C. Somehow D. Meanwhile
44. A. sign B. knock C. card D. note
45. A. invite B. welcome C. drive D. send
46. A. tree B. flower C. mail D. package
47. A. forgot B. missed C. arranged D. received
48. A. warm B. deep C. true D. mixed
49. A. buying B. clearing C. preparing D. giving
50. A. teach B. urge C. help D. forbid
51. A. prepare B. share C. taste D. exchange
52. A. guest B. aunt C. maid D. partner
53. A. folks B. relatives C. neighbors D. colleagues
54. A. call B. greeting C. meeting D. breakfast
55. A. sorry B. eager C. grateful D. ready
56. A. season B. expense C. distance D. situation
57. A. Knowing B. Showing C. Studying D. Discovering
58. A. happy B. busy C. alone D. active
59. A. always B. usually C. finally D. seldom
60. A. careful B. kind C. pretty D. patient
如图所示,两条曲线为汽车a、b在同一条平直公路上的v-t图像,已知在t2时刻,两车相遇,下列说法正确的是
A.在t1~t2时间内,a车加速度先增大后减小
B.在t1~t2时间内,a车的位移比b车的小
C.t2时刻可能是b车追上a车
D.t1时刻前的某一时刻两车可能相遇
下列关于实验的说法,正确的是()
A. 观察线粒体时,可用嫩而薄的藓类叶代替口腔上皮细胞
B. 探究低温诱导植物细胞染色体数目变化,能观察到新细胞壁的生成过程
C. 制备纯净细胞膜时,可用鸡的红细胞代替猪的红细胞
D. 探究DNA和RNA的分布时,吡罗红甲基绿染色剂需现用现配
下表中人体不同细胞的寿命和分裂能力不同,以下说法错误的是
细胞种类 | 寿命 | 能否分裂 |
小肠上皮细胞 | 1~2天 | 能 |
癌细胞 | 无限增殖 | 能 |
红细胞 | 120天 | 不能 |
白细胞 | 5~7天 | 大多数不能 |
A.吞噬细胞的寿命比红细胞短,这与其吞噬病原体有关
B.癌细胞的无限增殖是因为正常基因突变为原癌基因
C.通常情况下,细胞的分化程度越高,细胞分裂能力越弱
D.小肠上皮细胞寿命最短,与基因控制的衰老和凋亡有关
如图所示,在水平桌面上叠放着木块P和Q,水平力F推动两个木块做匀速运动,下列说法中正确的是( )
A. P受3个力,Q受3个力 B. P受3个力,Q受4个力
C. P受2个力,Q受5个力 D. P受4个力,Q受6个力
A | 酶的高效性 | 用 FeCl3 和过氧化氢酶分别催化等量 H2O2 分解,待 H2O2 完全分解后,检测产生的气体总量 |
B | 酶的专一性 | 用淀粉酶催化淀粉水解,检测是否有大量还原糖生成 |
C | 温度对酶活性影响 | 用α-淀粉酶分别在 100℃、60℃和 0℃下催化淀粉水解,充分反应后,用碘液检测淀粉水解程度 |
D | pH 对酶活性的 | 用淀粉酶在不同 pH 条件下催化淀粉水解,用斐林试剂检测 |
A.A B.B C.C D.D
“自宋以降,仗义死节之士远轶前古,论者以为程朱讲学之效。”材料表明,程朱理学对宋代以后中国社会的影响主要表现为
A.丰富和更新了儒学思想体系 B.成为维护封建专制的工具
C.压抑了知识阶层的个性发展 D.重建了人们的价值与信仰
学者熊李力指出,新中国成立后,我国长期未能获得足够的外交承认,在国际法层面上相当于一个“黑户”。直至70年代,中国从之前一个“旁听生”变成拥有正式学籍的“学生”,在形式上开始成为主流世界体系的一员。这种变化的外交背景是我国
A.实现了与美国的外交关系的正常化 B.推行了“无敌国外交”政策
C.获得了部分亚非发展中国家的支持 D.积极主动参加了不结盟运动
求经过直线l1:2x+3y-5=0与l2:7x+15y+1=0的交点,且平行于直线
x+2y-3=0的直线方程.
复数=( )
A.﹣i B.﹣1 C.i D.1
2014年6月,在第三十八届世界遗产大会上“丝绸之路”、“大运河”被正式列入世界文化遗产名录。目前中国已有47处世界遗产,位列世界第二位,但“申遗热”丝毫未减,中国积极申遗
①是民族情感的集中表达
②是展现中国传统文化的重要标志
③有利于研究人类文明的演进
④对于保护世界文化多样性具有独特作用
A.①② B.①③ C.②③ D.③④
阅读下面的公元1500年存在的几种交通方式的优劣及运输成本对比表。据此分析正确的是
方式 | 纯粹运输成本 | 附加运输成本 |
陆运 | 很高(道路修建;运载工具结实;动力需求大) | 很高(易于设卡,易被盗抢) |
河运 | 较低(运载工具要求较低;动力需求小于陆地) | 较高(易于设卡,水上抢劫难度较大) |
海运 | 最低(路线选择空间更大;承载量远大于其他方式) | 最低(周旋空间大,不易盗抢;设卡点有限) |
A.海运代替陆运和河运是必然趋势 B.发展海运成为资本原始积累的主要途径
C.新航路的开辟便利了世界市场的形成 D.确保安全是选择交通方式的首要因素
如右图为某同学构建的在晴朗白天植物的有氧呼吸过程图,下列说法正确的是( )
A.催化2→3的酶存在于线粒体内膜上
B.产生的8主要用于合成ATP
C.6部分可来自叶绿体
D.3全部释放到大气中
已知反应 △H<0。按物质的量n(N2):n(H2)=1:3向恒容密闭容器中投料,在不同温度下分别达到平衡时,混合气体中NH3的质量分数随压强变化的曲线如右图所示。下列说法正确的是
A.曲线a、b、c对应的温度由低到高
B.图中M点的化学平衡常数K≈2.08
C.图中N点对应H2的转化率为20%
D.加入催化剂能加快化学反应速率和提高H2的转化率
在玉米中,有色种子必须同时具备A、B、D三个基因,否则无色.现有一有色植株与已知基因型的三个植株杂交结果如下:a.有色植株×aabbDD→50%有色种子;b.有色植株×aabbdd→50%有色种子;c.有色植株×Aabbdd→50%有色种子.则该有色植株的基因型是()
A. AABBDD B. AABbDD C. AaBBDd D. AaBbDD
下图中AB为晨昏线的一部分,A为晨昏线上纬度最高点,C和D在同一纬线上,A、D之间的经度差与C、D之间所差经度数相同,此时地球公转速度较快。读图回答下列问题。(12分)
(1)此时,太阳直射点的地理坐标是________________,
北京时间为________ 。(4分)
(2)这一天,C点的昼长为________小时,出现极昼的范围是________________________。(4分)
(3)北京昼夜长短状况是________________,日出时物体影子朝向________。(4分)
阅读下面的文字,完成下列小题。
记者被取消获曾利策奖资格①
【美】大卫·马纳尼斯
①《华盛顿邮报》1981年4月16日(星期四)。普利策奖:以美国著名报人J.普利策的遗赠为基金设立的奖金,新闻奖每年一次授予有优异成就的美国新闻工作者和新闻机构。②1981年4月15日。③1981年4月14日。
12.下列对这篇报道有关内容的分析和概括,最恰当的两项是
A. 文中先后引用了《华盛顿邮报》主编、普利策奖金评奖工作负责人和库克本人的话,重在突出炮制假新闻的危害。
B. “昨天”这个词多次出现在这篇报道的文字中,这样做不仅突出了报道的时效性,也表明了发布本报道的急迫性。
C. 《华盛顿邮报》几位编辑查阅库克的采访笔记和审听其采访录音带后认为,库克的报道虽属拼凑但有一定真实性。
D. 从全文看,披露库克编造自传事件,不仅是要表明库克造假的错上加错,更在于表明对库克错上加错的深恶痛绝。
E. 文中不厌其烦地列出了发现和处理库克造假丑闻的有关人物,是在表明人们对待这一事件的严肃态度和重视程度。
13.请结合全文,简要赏析这篇报道的导语。
14.《纽约时报》说:“当一份报纸说谎的时候,它就毒化了我们生存的社会。”请就你对“媒体形象”和“记者品格”两个方面的理解,任选一个方面,结合文本,联系实际,谈谈你的看法。