下列可脱离免疫逃逸状态的病毒是() A.干扰抗原提呈 B.病毒急性感染期 C.病毒基

题型:单项选择题 A1/A2型题

问题:

下列可脱离免疫逃逸状态的病毒是()

A.干扰抗原提呈

B.病毒急性感染期

C.病毒基因高频突变

D.分子模拟

E.免疫抑制

考点:临床执业助理医师综合2015版临床执业助理医师资格模拟试题三(第一单元)
题型:单项选择题 A1/A2型题
The best thing to start your day is a good breakfast. There are different  36  of breakfasts around the world.
“Eat breakfast like a king, lunch like a prince and dinner like a pauper(穷人).”  37   the old saying tells us, breakfast is the most important meal of the day. It   38  us with energy after a long night without food.
If people don’t have breakfast in the morning, they will feel tired and get angry easily. Breakfast helps children stay more focused in school. A study showed that children who eat breakfast regularly score   39  in most subjects.
Breakfast is also important for weight loss. If you have a balanced breakfast, you will eat
  40  throughout the day.
A healthy and   41  breakfast should include some protein(蛋白质) like eggs, milk or a little meat, which makes you energetic all day.
Carbohydrates(碳水化合物)like rice or bread can keep you active. Vegetables and fruit
  42  the vitamins that humans need.
  43  ,in China, breakfast is different from region to region. Porridge with pickles(咸菜),baozi, noodles, soybean milk and youtiao are common throughout the   44  country. Although Western culture has influenced China a lot, most people still  45  traditional Chinese breakfast. They think that porridge and noodles are not only easily digested(消化), but also can provide enough energy in the morning.
小题1:
A.waysB.typesC.rulesD.methods
小题2:
A.SoB.ThoughC.AsD.When
小题3:
A.providesB.givesC.offersD.has
小题4:
A.lowerB.lessC.higherD.more
小题5:
A.less B.fewerC.moreD.much
小题6:
A.experiencedB.balancedC.excitedD.different
小题7:
A.hasB.haveC.is D.are
小题8:
A.Therefore B.ThusC.Because D.However
小题9:
A.allB.oneC.whole D.total
小题10:
A.dislikeB.knowC.wantD.prefer
题型:单项选择题 A1/A2型题

男性,25岁。腰背部疼痛、乏力、低热、盗汗、消瘦1月余,加重3天入院。曾在外院就诊,诊断为"腰肌劳损",给予口服止痛药和理疗,症状稍缓解。发病以来食欲较差,体重减轻3.5kg。查体:腰椎活动度受限,腰4~5棘突压痛,双下肢感觉运动正常。右下腹饱满,肌稍紧张,轻压痛。

目前应采取的治疗措施是().(提示:检查发现腰4~5椎体明显破坏,椎间隙消失,较多小块死骨形成,右侧腰大肌阴影明显增宽隆起。ESR110mm/h,Hb66g/L。)

A.补充热量、蛋白质和维生素

B.尽快手术

C.纠正贫血和低蛋白血症

D.联合应用广谱抗生素

E.联合应用抗结核药物

F.卧床休息

题型:单项选择题 A1/A2型题

采用13折线A律编码时,抽样脉冲值为-1025Δ段落码为()

A.1110;

B.110;

C.111;

D.101。

题型:单项选择题 A1/A2型题

幼年类风湿关节炎常见临床类型包括()

A.斯梯尔(still)综合征

B.急性全身型

C.多关节型关节炎

D.慢性纤维性关节炎

E.单关节型关节炎

题型:单项选择题 A1/A2型题

有一座在满堂支架上浇筑的预应力混凝土连续箱形梁桥,跨径布置为60m+80m+60m,在两端各设置伸缩缝A和B。采用C40硅酸盐水泥混凝土,总体布置如图所示。

假定伸缩缝A安装时的温度t0为20℃,桥梁所在地区的最高有效温度值为34℃,最低有效温度值为-10℃,大气湿度RH为55%,结构理论厚度h≥600mm,混凝土弹性模量EC=3.25×104MPa,混凝土线膨胀系数为1.0×105,预应力引起的箱梁截面上的法向平均压应力σpc=8MPa。箱梁混凝土的平均加载龄期为60d。试问,由混凝土徐变引起伸缩缝A处的伸缩量值(mm),与下列何项数值最为接近?()
提示:徐变系数按《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG D62—2004)表6.2.7采用。

A.-55

B.-31

C.-39

D.+24

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