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3.The United States last Wednesday _________tariffs关税 of up to 30 percent on a range of foreign steel imports to help protect its domestic国内的industry.
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4.Although he was raised as a Christian, he’s not really very _________.
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5.You can distinguish between frogs ands toads蟾蜍 in the following way: frogs have _________bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs, and dry skin.
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6.From the airplane window I could see a _________of city streets.
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7.Aunt Pat smiled at her little niece and _________her to eat.
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8.Dr. Rich Hamilton is planning his own World Wide Web _________on the Internet to provide assistance to anyone who asks for medical help.
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9.It is difficult to estimate the number of people doing part-time jobs _________
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10.The president _________his foreign minister, Mr. Burns, to act as representative to the international conference to be held in Tokyo next month.
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11.Advances in telecommunications have meant that it is just as easy to work from a computer _________at home as it is from a town center office.
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12.Until the new gym is built, you have no option but _________existing buildings which may or may not suit your immediate目前的requirements.
【填空题】
1.According to some scientists, global warming _________the survival of the whole human race.
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2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small19%, and exceeded the number of overseas visitors16%_________.
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3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
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4.It was common practice then that when the store owners wanted to go on vacation they simply _________
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5.As they didn’t have relatives or friends there they often _________around nearby malls when they got bored.
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6.To make a birthday card, you can simply cut out some funny or pretty pictures from magazines, _________them _________a piece of card and then write your message inside.
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7.She picked up the receiver and, _________ asking the caller to hold on, went off to tell Jack that he was wanted on the phone.
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8.To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and _________.
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9.The new product has a pair of small loudspeakers fitted inside, which you can easily _________ your computer’s sound card.
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10.Music in fact is a _________language of a non-verbal nature which is rich in expression.
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11.This _________is designed to show at a glance how many rooms have been rented out and how many are still available.
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12._________ glorious sunshine, the boundless stretch of corn fields looked an impressive sight.
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1.The cook put the meat on a plate, _________it with salt and pepper, wrapped up the plate in aluminum foil铝箔 and then placed it in the oven to roast.
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2.Every waking moment we talk to ourselves about the things we experience. Our self-talk, the thought we communicate to ourselves, _________control the way we feel and act.
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3.John made everyone laugh when he got the words _________and referred to himself as “my husband’s wife”.
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4.You can’t live a perfect day without doing something for someone who will perhaps never be able to _________you.
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5.Because the Earth is a sphere, sailors _________only can view other ships to a distance of about 13 miles before those ships seem to disappear into the horizon.
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6.Johnson dismissed _________ideas lightly as no good on several occasions.
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7.One tends to believe whatever one repeats to oneself sufficiently often, whether the _________be true or false.
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8.Susan told me numerous times how her sister _________children.
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9.I don’t know what my roommate is up to because he does everything _______________, either when I am away or when I am asleep.
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10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
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11.Laugh, and the world laughs with you; _________, and you weep alone.
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12.A national debate is now _________about the manner in which we as a society should protect our natural resources.
【单选题】
___是湿润的纤维脱水后形成的薄片型材料。
A. 安全线
B. 安全纤维
C. 纸张
D. 水印
【单选题】
纸张最核心的材料是___,在它的基础上再通过添加其他配料使其具备不同的性质。
A. 纤维
B. 安全纤维
C. 纸浆
D. 水印
【单选题】
安全纸张以___为主要的纤维来源,占90%以上。
【单选题】
___是指在造纸生产过程中用改变纸浆纤维密度的方法制成的有明暗纹理的图形或文字。
A. 安全线
B. 安全纤维
C. 水印
D. 防伪彩点
【单选题】
水印只有在___的条件下才能被清楚地观察到。
【单选题】
___伪造水印图案,就是将纸张浸入水中使之软化,然后用表面伪造有凹凸纹路图案的模版,在纸张表面伪造出所需的水印图案。
A. 印刷法
B. 模压法
C. 显影法
D. 插入法
【单选题】
安全线中的缩微文字,只有在___条件下才可以清晰看到。
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(36061)地震地区的桥梁应尽量采用等跨布置。(1.0分)
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(36063)桥隧建筑物维修工作实行综合维修和局部维修相结合的方式。(1.0分)
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5/99156.(36064)桥梁墩台裂纹多且深入圬工内部,可用喷浆方法处理。(1.0分)
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(36065)隧道长度计算时双线隧道以下行线为准。(1.0分)
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(36066).涵洞少量清淤、修补管接勾缝属于桥隧经常保养工作范围。(1.0分)
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(36069)对中、小桥所用的钢筋,使用前可不进行抽验。(1.0分)
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(36070)水下混凝土应有良好的塑性。(1.0分)
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(36071)预应力钢绞线表面允许有轻微的浮锈,但不得锈蚀成肉眼可见的麻坑。(1.0分)
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(36072)采用电喷锌由于要使用电源,所以效率低。(1.0分)
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(36073)气温过低,空气湿度过大,将影响油漆漆膜的附着力,所以不允许进行涂装作业。(1.0分)
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(36074)对于喷镀锌铝层而言,它同时具有防蚀和阴极保护作用,所以更能提高漆膜的耐腐蚀性能。(1.0分)
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(36075)护木接头采用半木搭接,不允许搭接于桥枕上。(1.0分)
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(36076)护坡锥体施工时,护坡表面不应设泻水孔。(1.0分)
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(36077)在保养质量评定中,护木腐朽每10米为一处。(1.0分)
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(36079)结构构件的内力应按弹性受力阶段确定。(1.0分)
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(36080)模板应保证混凝土结构和构件各部分设计形状、尺寸和相互间位置正确。(1.0分)
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(36081)钢结构在主桁中宜采用缀板组合的焊接杆件。(1.0分)
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(36082)栓焊梁螺栓联结部位应采用环氧沥青涂装。(1.0分)
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(36083)粗骨料的碱活性首先采用岩相法进行检验。(1.0分)
【判断题】
(36084)位于主要杆件角钢上的高强度螺栓的直径,不宜超过角钢肢宽度的1/2。(1.0分)
【判断题】
(36085)桁架杆件重心线应在各节点处汇交与节点中心。(1.0分)
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(36086)保养质量评定中人行道栏杆每10米为1处。(1.0分)
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(36087)新建时速300~350km客运专线铁路设计涵洞宜采用钢筋混凝土矩形框架涵。(1.0分)
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(36088)钢结构焊接主要构件,可使用间断焊接、塞焊和槽焊。(1.0分)
【判断题】
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(36090)纵横腹板之间宜采用角钢连接。(1.0分)
【判断题】
(36091)纵梁的横向连接系应与梁的上、下翼缘连接。(1.0分)
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(36092)保养质量评定中人行道托架每2个为1处。(1.0分)
【判断题】
(36093)简支箱型梁的顶板及底板的厚度不应小于200mm。(1.0分)
【判断题】
(36094)桥枕容易腐朽的部位多发生在裂缝、压伤凹陷处所,各种孔眼,轨底铁垫板接触处,护木联结处及步行板下,尤其是垫板下钉孔部位。(1.0分)
【判断题】
(36095)高桥墩特别是曲线桥墩检查时,应注意桥上线路的爬行。(1.0分)
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6/99188.(36096)墩台基础埋置的愈深,自由振动的振幅就愈小,可以减小地面波的影响,有利于抗震。
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(36097)衬砌内鼓变形和向内位移,当背后围岩坚固良好时,可以采用锚杆加固。(1.0分)