Allergies cause heaps of trouble. Some
people suffer the nuisance of seasonal hay fever, snuffling and sneezing as
pollen flows through the air. Others react to materials such as metals,
developing unpleasant rashes at their very touch. And some sorry souls go into
shock at the mere presence of certain foods, particularly peanuts and
shellfish. The cause in each case is an oversensitive immune system that is reacting to harmless materials as well as to the pathogens it is supposed to be fighting. This creates annoying and sometimes life-threatening symptoms. Chronically over-reactive immune systems may not, though, be an entirely bad thing. Another role played by the immune system is to destroy malignant tumours before they take hold—and work carried out recently by Annette Wigertz of the Karolinska Institute, in Stockhol A. that allergic reactions can be either good or bad. B. that it’s still early to draw any conclusion. C. that allergies may suppress the growth of tumor. D. that they are not quite sure about the consequence of their study. [单项选择]某月( )后,不能再输入该月的记账凭证。
A. 审核 B. 记账 C. 结账 D. 查询 [单选题]三相系统中发生的短路有4种基本类型,三相短路、()、单相接地短路和两相接地短路。
A.相相短路 B.两相短路 C.相地短路 [多选题]对犯罪嫌疑人执行()过程中,可以依法使用约束性警械
A.拘传 B.拘留 C.逮捕 D.押解 [多项选择]计算混凝土工程量时,正确的工程量清单计算规则是()。
A. 现浇混凝土构造柱不扣除预埋铁件体积 B. 无梁板的柱高自楼板上表面算至柱帽下表面 C. 伸人墙内的现浇混凝土梁头的体积不计算 D. 现浇混凝土墙中,墙垛及突出部分不计算 E. 现浇混凝土楼梯伸人墙内部分不计算 [单选题]直接覆盖在煤层之上的薄层岩层,岩性多为炭质页岩或炭质泥岩,厚度一般为几厘米至几十厘米,它极易跨塌,常随采随落,称为:( )
A.伪顶 B.直接顶 C.老顶 [多选题]电能替代项目相关配套电网建设纳入公司基建或技改“项目包”统筹安排,并加强两个“项目包”的协同,保证配套电网与客户替代工程的(),满足替代项目用电需求。
A.A、同步规划 B.同步设计 C.同步实施 D.同步送电 [判断题]甲在暂缓执行行政拘留期间给证人乙2000元钱,让乙向复议机关提供假证词,逃避行政拘留处罚执行,后被发现。对此种情况,公安机关决定没收甲的保证金,并恢复执行行政拘留。该公安机关的做法是正确的。
A.正确 B.错误 [单项选择]
(每小题有A、B、C、D四个备选项,其中至少有一个符合题意)
A. 4000 B. 3000 C. 2500 D. 2000 [判断题]DC600V供电客车绝缘检测装置检修试验故障检测装置送修。送修过程中做好防护,防止碰伤,不能造成在线绝缘检测装置的人为损坏。( )
A.正确 B.错误 [单选题]营养素的供给量是指在需要量的基础上( )
A. 根据人的饮食习惯而制定的 B. 根据生产情况而制定的适宜需要量 C. 根据社会条件,经济条件而制定的量 D. 考虑了人群的安全率,饮食习惯,食物生产,社会和经济条件而制定的适宜的需要量 E. 以上都不是 [多选题]以下关于商品需求量说法正确的是:
A.一般情况下,商品价格升高,则该商品需求量降低 B.消费者收入水平越高,对正常商品的需求量越高 C.商品的价格升高,则它的替代品需求量降低 D.商品的价格升高,它的互补品需求量也随之减少 [单选题]K-211中PDI-12025低于()barg停止冲洗
A.0 B.1 C.2 D.3 [单选题]在( )中,中国工人阶级以独立的姿态登上政治舞台。
A.新文化运动 B.五四运动 C.二七大罢工 [单项选择]对于E70,后轮的车轮外倾角为负值,其最主要目的为()
A. 补偿后轮的后束值 B. 车辆直线行驶更稳定 C. 车辆更容易转弯 D. 车辆转向轻便 [单选题]提供应税服务的纳税人,年应税销售额在()以下的,被认定为小规模纳税人。
A.50万元 B.100万元 C.80万元 D.500万元 [单选题]可导致人体由于低氧性缺氧而引起高原病的作业环境是()。
A.低温作业 B.低气压作业 C.高温作业 D.高气压作业 [简答题]机械性肠梗阻的原因有哪些?
[单选题]杭州通电子钱包一天能充值()次,()起充元,单笔不超过()
元。 A.1,50,650 B.3,50,650 C.1,100,1000 D.3,100,1000 [单项选择]
患者,女性,18岁,发热鼻出血,皮肤紫癜2周,舌尖可见血泡,双下肢可见瘀斑,浅表淋巴结及肝脾未及,胸骨压痛阴性,血红蛋白52g/L,白细胞2.0×109/L,分类中性0.24,淋0.75,嗜碱粒0.01,血小板22×109/L,网织红细胞0.001,胸部X线片示右下肺炎,本例最可能的诊断是() A. 脾功能亢进 B. 再生障碍性贫血 C. 淋巴瘤 D. 慢性粒细胞白血病 E. 多发性骨髓瘤 [多选题]当调度值班员王某发布操作任务、受令人李某接受操作任务时,必须互报()、(),使用规范术语、双重名称,严格执行(),双方录音。
A.单位 B.姓名 C.复诵制 D.操作指令 [判断题]( )安全带的挂钩或绳子应挂在结实牢固的构件上,并应采用高挂低用的方式。禁止挂在移动或不牢固的物件上。
A.正确 B.错误 [填空题]带电作业用的绝缘工具材质的电气强度不得小于3kV/cm;其有效绝缘长度不得小于:电压等级110kV,有效绝缘长度1300mm;电压等级55kV,有效绝缘长度<--NRC-->mm。
[填空题]When people communicate with each other, they exhibit a style that is strongly influenced by their culture. Communicative style refers to several characteristics of conversations between (36) . Naturally,people prefer to use their own communicative styles. (37) about communicative style (38) arise when two people from the same culture are together because their styles (39) agree. Most people-including most Americans--are as (40) of their communicative style as they are of their basic values and assumptions. Foreigners who understand something about the Americans’ communicative style will be less likely to misinterpret or (41) Americans than will those who don’t know the common characteristics of (42) communication among Americans. They will also have a better understanding of some of the (43) Americans have about other nationality groups.
(44) . The most common topic of small talk is the we [单选题]旅行社未与旅游者协商一致,指定购物场所,旅游者有权依据我国《旅游法》的规定,在旅游行程结束后30日内,要求旅行社为其()。
A.办理退货 B.先行垫付退货货款 C.办理退货并先行垫付退货货款 D.办理退货或先行垫付退货货款 [判断题]甲在树丛中向仇人乙射击,连开了两枪未击中乙,乙因害怕而求饶,甲在能继续开枪的情况下不再开枪。甲的行为属于犯罪中止。
A.正确 B.错误 我来回答: 提交
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