One day a farmer bought four donkeys at
the market place in the village. He got {{U}} (56) {{/U}} the back of one
of {{U}} (57) {{/U}} and began to ride home. {{U}} (58) {{/U}} he was riding along, he noticed that {{U}} (59) {{/U}} were only three donkeys walking {{U}} (60) {{/U}}him. He expected to see four. "I {{U}} (61) {{/U}} what happened, "he said to himself, "I bought four and paid {{U}} (62) {{/U}} four donkeys, but now it appears that I have only {{U}} (63) {{/U}} ".He was forgetting, of course, to {{U}} (64) {{/U}} the donkey he was riding. When he got home, his wife met him in front of their house. "I see you bought {{U}} (65) {{/U}} fine donkeys," she said," {{U}} (66) {{/U}} you buy them for a good price " "Yes, I did," he said. "but {{U}} (67) {{/U}} puzzles (使惊奇) me. I bought four donkeys at A. for B. off C. back D. to [多选题]二次除尘风机的清灰方式是()。
A.在线清灰 B.离线清灰 C.在线检修 D.离线检修 [单选题]仪用互感器分()丙种。
A.电力变压器和电流互感器 B.电流互感器和电压互感器 C.特种互感器和电流互感器 [单项选择]腕横纹上及向上0.5寸、1寸、1.5寸,尺侧腕屈肌腱的桡侧,其穴位分别是:
A. 通里 神门 灵道 阴郄 B. 神门 灵道 通里 阴郄 C. 神门 阴郄 通里 灵道 D. 灵道 通里 神门 阴郄 E. 阴郄 神门 通里 灵道 [不定项选择]对于一个选址符合环保要求的拟建垃圾填埋场,控制和预防地下水污染的措施包括()。
A. 防渗工程 B. 渗滤液疏导、处理工程 C. 雨水截流工程 D. 渗滤液系统监測系统 [多项选择]缺氧缺血早期,机体产生“潜水”反射,体内血流重新分布,以维持哪些脏器供血()
A. 脑 B. 心 C. 肺 D. 肝 E. 肾 [单选题]下列不属于行政强制执行方式的是( )。
A.加处罚款或者滞纳金 B.划拨存款、汇款 C.冻结存款、汇款 D.拍卖或者依法处理查封、扣押的场所、设施或者财物 [填空题]因驾驶员原因造成车辆停驶时,计价器应()。
[多选题] 招投标审计主要采用( )等方法。
A.观察法 B.询问法 C.分析性复核法 D.文字描述法 E.现场核查法 [多选题]智能变电站继电保护应满足()等信息交互的要求。
A.运行维护 B.监视控制 C.无人值班 D.智能电网调度 [单项选择]用罐笼运输雷管与硝化甘油炸药时,升降速度不能超过()m/s。
A. 1 B. 2 C. 3 D. 4 [判断题]基层单位是国家综合性消防救援队伍的基础,是遂行防火灭火.应急救援.监督执法.执勤.训练.科研.保障等任务的基本单位。( )[1分]
A.正确 B.错误 [单选题]老年人使用下列哪种药物一般不易引起直立性低血压( )
A.降压药 B.三环抗抑郁药 C.利尿剂 D.血管扩张药 E.氨基糖苷类抗生素 [单项选择]确定消化性溃疡出血不合适的方法是()
A. 查血常规 B. 钡餐透视 C. 便隐血试验 D. 急诊胃镜检查 E. 询问病史 [判断题]赔偿请求人根据受到的不同损害,可以同时提出数项赔偿要求。( )
A.正确 B.错误 [判断题] 在不重要的焊接结构中,存在少量的短裂纹是允许的。( )
A.正确 B.错误 [单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSSG 510001-2015)第26.2.7.1条规定:绝缘罩只允许在( )及以下电压的电气设备上使用,并应有足够的绝缘和机械强度。
A.10kV B.35kV C.110kV D.220kV [判断题]各参与方在要求时限内处理完毕并回复,客户仍存在异议的,由各省级稽核管理单位进行判定。( )
A.正确 B.错误 [单选题]齐步行进速度每分钟( )步
A.116-120 B.116-121 C.116-122 D.116-123 [单选题]预制梁运输车组( ),车站应通知就近车辆段派员进行技术检查。
A.装车前 B.装车时 C.装车后 D.始发前 [单选题](78141)东风4型内燃机车启动发电机在电动机工况时的励磁方式是( )。(2.0分)
A.串励 B.并励 C.他励 D.永磁 [判断题]带有编号的台账按顺序使用,可以跳号、漏号。
A.正确 B.错误 [单选题] 在纯电感的交流电路中,电流的相位滞后电压相位( )。
A.30° B.60° C.90° [单项选择] On Antibodies
Substances foreign to the body, such as disease-causing bacteria and viruses and other infectious agents, are recognized by the body s immune system as invaders. Our natural defenses against these infectious agents are antibodies, proteins that seek out the antigens (抗原) and help destroy them.
Antibodies have two very useful characteristics. First, they are extremely specific; that is, each antibody binds to and attacks one particular antigen. Second, some antibodies, once activated by the occurrence of a disease, continue to confer resistance against that disease. Classic example are the antibodies to the childhood diseases of chickenpox(水痘) and measles.
The second characteristic of antibodies makes it possible to develop vaccines. A vaccine (痘苗) is a preparation of killed or weakened bacteria or viruses that, when introduced into the body, stimulates the production of antibodies against the antigens it contains.
It is
A. the productive techniques are different B. the former contains some undesired substances C. the former attacks the foreign substance D. the former produces side effects, that is, attack the body’s own cells [单选题]预制桩沉桩时的控制指标是,桩尖位于坚硬土层时,以( )控制为主,以( )控制为辅;桩尖位于软弱土层时,以( )控制为主,以( )控制为辅。
A.贯入度,标高,标高,贯入度 B.贯入度,标高,标高,贯入度 C.标高,贯入度,标高,贯入度 D.标高,标高,贯入度,贯入度 [单选题]根据税收征收管理法律制度的规定,下列说法正确的是( )。
A.纳税人在账簿上多列支出,不缴或少缴应纳税款的行为,属于骗税 B.纳税人经税务机关通知申报而拒不申报,不缴或者少缴应纳税款的行为,属于抗税 C.纳税人以暴力、威胁办法拒不缴纳税款的行为,属于抗税 D.纳税人以假报出口手段骗取国家出口退税款的行为,属于逃税 [多项选择]房屋租赁合同中必备的条款包括()。
A. 房屋的坐落、面积、装修及设施情况 B. 租赁用途、期限 C. 关于转租的约定 D. 房屋修缮责任 E. 房屋购买时的价格 [判断题]2.62 对初次申领机动车驾驶证的驾驶人在实习期内记满12分的,由计算机管理系统自动注销机动车驾驶证。未收回机动车驾驶证的,档案管理岗每月从计算机管理系统下载并打印注销信息,由公安机关交通管理部门按照规定公告作废。
A.正确 B.错误 [单项选择]泌尿系结核最早受到感染的是()
A. 单侧肾脏 B. 双侧肾脏 C. 输尿管 D. 膀胱 E. 尿道 我来回答: 提交
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