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[单项选择]
{{I}} Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage.{{/I}}
What can an exhaust system do if it is efficient
A. It can prevent the waste gas from escaping.
B. It can let the waste gas and compound escape quickly out of it.
C. It can prevent the engine from producing waste gas.
D. It can store as much waste gas as possible.

热门试题:

[单选题]CTCS-2级地面信息传输到车上有( )方式
A.连续信息
B.点式信息
C.点连信息
D.以上都是
[单选题].子宫内膜癌最常见的转移途径是
A.淋巴转移
B.血行转移
C.上行蔓延
D.直接蔓延
E.腹腔种植
[单选题]HXD1电力机车通风系统分为()个通风支路。
A.2
B.3
C.4
[单选题]已知在与主站进行遥测量试验时,运维人员继保测试仪输出UAB=220V,IA=2.5A,电压超前电流60°,主站采集到的有功功率应为()kW.
A.12.5
B.25
C.21.65
D.43.3
[单选题]手术记录必须由下列那位医师签字( )?
A.主任或三级医师
B.主刀医师
C.经治医师
D.一助
E.上一级医师
[判断题]{A}横墙隔断法,除顺缝开挖沟槽外,再沿裂缝每隔3~5m开挖一条与裂缝垂直的沟槽。
A.正确
B.错误
[多项选择]一般生殖毒性试验的观察内容有()。
A. 雄性的特征和生育力
B. 雌性的交配力及受孕率
C. 死胎、活胎数
D. 胎仔外观、内脏、骨骼的变化
[判断题] 全双工通信是指通信双方可以同时双方向传送和接收信息的工作方式。()
A.正确
B.错误
[单选题]1.338. 第338题
电晕放电是一种( )放电。
A.气体
B.固体
C.液体
D.沿面
[单选题]党支部书记应当抓好支部委员会自身学习,严格组织生活,按时召开( ),积极开展批评和自我批评,抓好党风建设,充分发挥支部委员会的集体领导作用。
A.支部组织生活会
B.支部委员大会
C.支部党员大会
D.支部党组织大会
[单选题]竹子应使用敞车装载,腰线、封顶线与端支柱拉线,各使用(  )捆绑两周。[321020106]
A.棕绳
B.盘条
C.8号镀锌铁线
D.10号镀锌铁线
[单选题]根据《标准施工招标文件》,编制施工场地治安管理计划和应对突发事件的紧急预案,应由()负责。
A.发包人
B.承包人
C.发包人和承包人共同
D.发包人、承包人和监理人共同
[单项选择]腹痛拘急,疼痛暴作,坚满急痛,遇冷痛剧,得热则减为
A. 热痛
B. 寒痛
C. 虚痛
D. 实痛
E. 气滞痛
[判断题]运行中的变压器若发出很高且沉重的“嗡嗡”声,则表明电压器过载。
A.正确
B.错误
[判断题]人体或金属物体不宜同时接触两根线头或其他相互绝缘且可能带电的金属部位。
A.正确
B.错误
[单项选择]{{B}}Text 2{{/B}}
From her wheelchair, a child raises rounded arms above her head to form a blossoming flower. Nearby, a blind boy gently waves a flowing scarf as his body sways back and forth. Welcome to Infinite Dreams, a southern California program that each year helps more than 1,000 children with disabilities learn ballet, jazz, and other forms of movement. For founder Zina Bethune, a professional dancer and actress who works with a team of six instructors, this is a deeply felt mission.
"I’ve walked a very fine line between the abled and disabled worlds all’ my life," says Bethune, a former soloist with the New York City Ballet who starred on Broadway in Tommy Tune’s production of Grand Hotel. Born and raised in New York City, Bethune, 47, started formal ballet training at age 6 with legendary choreographer George Balanchine. But during
A. It is open on weekdays every day, and all through the year.
B. It got the financial support from individuals and grants.
C. It was started by Bethune, who has been married for 18.
D. It offers hour-long sessions on a weekly basis.
[单选题]垂直爬升时升限为海拔1000米的多轴飞行器,如果在性能范围内前飞中爬升,其升限( )
A.将降低
B.将升高
C.将保持不变
[判断题]如下图所示为低压三相异步电机点动具有自锁的正转的自保持回路图。()
A.正确
B.错误
[单选题]为重症病人进行晨间护理时应特别注意()
A.床单是否清洁干燥
B.体位是否舒适
C.面、手是否清洁
D.局部皮肤受压情况
E.衣服是否清洁
[单选题]A321飞机共有_个洗手间、每个洗手间都有_个氧气面罩,当客舱释后时会自动脱落
A.3 2
B.4 2
C.3 6
D.4 8
[单选题]作业人员对本规程应()考试一次。
A. 每半年
B.每年
C.每两年
D.每三年
[判断题]一般过负荷不会留下保险丝喷溅的痕迹。( )
A.正确
B.错误
[名词解释]抒情语体
[判断题]分户后需要增容者,应另行向供电企业办理增容手续。
A.正确
B.错误
[单选题]ACE中电源板的输出电压为 ( )
A.5V和12V
B. 5V和24V
C.10V和12V
D.12和24V
[单选题]可用( )检查汽缸压力,来判断是否由于压缩比过大导致发动机爆震故障。
A.燃油压力表
B.汽缸压力表
C.机油压力表
D.真空表
[单项选择]直接特异性杀伤靶细胞的是
A. Th细胞
B. 单核细胞
C. Ts细胞
D. NK细胞
E. Tc细胞
[单选题]从组网功能区分,DDN节点可分为用户节点、接入节点和( )。
A.E1节点
B.一级干线网节点
C.二级干线网节点
D.用户节点
[简答题]

A number of foreign words still look like foreign words; these are often expressions which were originally used by people who wanted to sound particularly well educated. (61) It was the desire to be scholarly that brought about a wave of Latin terms which appeared in the 16th century when the Humanist movement brought new impetus to learning throughout Europe. Abbreviations such as e.g. (from the Latin meaning a voluntary example); PS (meaning "added after the letter has been written); a.m. and p.m. (meaning "before noon" and "after noon") came into the language at this time. 62) Nowadays they are so common that most people don’t even know what the letters actually stand for, and there’s certainly nothing learned about using them today!
In addition to the words brought to English by foreigners, there are plenty of words which the British have collected from the countries they have settled in all over the world. 63) The

[简答题]置业顾问的销售能力包括哪几种?
[判断题]()鱼类中的组胺可引起食物中毒。
A.正确
B.错误
[简答题][问答题]支气管扩张症
[单项选择]护士铺好的无菌盘,避免污染的有效时间为()。
A. 4小时
B. 8小时
C. 12小时
D. 24小时
[判断题]减磨辊轮检查方法:密贴位时,用1mm塞尺斜45度插入第一辊轮与尖轨底边之间,确保间隙符合标准。
A.正确
B.错误
[判断题]坚持党对人民军队的绝对领导,坚持政治建军、改革强军、科技强军、人才强军、依法治军。
A.正确
B.错误
[单选题]维规->维规-无线网
A.A、1年
B.B、2年
C.C、3年
D.D、4年
[单选题]下列关于城市固体废物量预测中规划年城市生活垃圾产量的表达式,正确的是( )。
A.规划年城市生活垃圾产量=基准年城市生活垃圾产量×(1+年增长率)预测年限
B.规划年城市生活垃圾产量=预测年限×(1+基准年城市生活垃圾产量)年增长率
C.规划年城市生活垃圾产量=年增长率×(1+基准年城市生活垃圾产量)预测年限
D.规划年城市生活垃圾产量=基准年城市生活垃圾产量×(1+预测年限)年增长率

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