| Many countries face a somewhat more
serious economic problems in the form of an unfavorable trade balance (贸易逆差)
with other nations. Such an imbalance exists when the total value of a country’s
imports exceeds that of its exports. For example, if a country buys $250 billion
of products from other countries, yet sells only $100 billion of its own
products overseas, its trade deficit is $150 billion. Many underdeveloped
nations find themselves in this position because they lack natural resources or
the industrial capacity to use these resources, and thus have to import raw
materials or manufactured goods. One effect of a trade deficit is the flow of currency (货币) out of a country. In the case of an underdeveloped nation, this can cause many financial difficulties, including failure to meet debt payments and obstacles to creation of an industria A. Low labor and material costs in Asian countries. B. A lack of natural resources. C. An underdeveloped industrial base. D. The high cost of exported items. [单项选择]“见尿补钾”，补钾的最大滴速不宜超过（）
A. 40mmol/h B. 35mmol/h C. 30mmol/h D. 25mmol/h E. 20mmol/h [多选题]低压开关柜的柜型包括：()、母联柜及无功补偿柜。
A.进线柜 B.出线柜 C.计量柜 D.PT柜 [判断题]向泡沫消防车的泡沫液罐加注泡沫液只有两种方法:一是从入孔口直接加入;二是用专用泡沫输液泵加入。(易)
A.正确 B.错误 [单项选择]
经济合同：是法人、其他经济组织、个体工商户、农村承包经营户相互之间，为实现一定的经济目的，明确相互权利义务关系的协议。 A. 广东省工商银行深圳分行银行电脑系统软件开发合同 B. 湘潭红卫公司、咸宁果品公司订货合同 C. 蔬菜产销合同 D. 李红与企业的劳动合同 [单选题]孤独症的发病年龄为（ ）
A.A、出生前至出生后1个月以内 B.B、3岁以前 C.C、18岁以前 D.D、任何年龄段都可以 [单选题]消防员灭火防护服适用于灭火救援时穿着，对消防员的头、 颈、躯干、手臂进行防护，具有一定的阻燃、（ ）、防水、透气等性能。
A.隔热 B.防火 C.保温 D.吸汗 [单项选择]计算机的应用领域可大致分为6个方面，下列选项中属于这几项的是
A. 计算机辅助教学、专家系统、人工智能 B. 工程计算、数据结构、文字处理 C. 实时控制、科学计算、数据处理 D. 数值处理、人工智能、操作系统 [简答题]进站色灯信号机显示一个黄色闪光和一个黄色灯光时,其显示含义是什么? J415
[判断题]底流泵的进口吸入形式为双侧吸入。（ ）
A.正确 B.错误 [多项选择]心理学可分为（）。
A. 理论心理学 B. 发展心理学 C. 普通心理学 D. 应用心理学 E. 社会心理学 [单选题]登陆集中平台网页时提示“无法显示网页”，可能的原因是（ ）。
A.用户级别、行政单位被修改 B.作业班组设置被修改 C.作业图表被删除 D.应用服务器网线脱落 [判断题]以改革创新精神全面推进党的建设新的伟大工程，必须以提高思想觉悟为重点加强思想
A.正确 B.错误 [单选题]《广深港高速铁路跨境旅客运输组织规则》（铁总客〔2018〕149号）规定，手续费按( )2元核收。
A.每人 B.每次 C.每张票 D.每人、每次、每张票 [判断题]用清水清洗零部件时，水枪喷嘴应与工件表面直接接触，以防止高压水流反射伤人。禁止用手拿持工件清洗。( )
A.正确 B.错误 [判断题]发动机异响随发动机负荷、转速、工作循环、温度的变化而变化，抓住这一特点，可对异响的原因进行分析。
[单项选择]储蓄所有多个储户，储户在多个储蓄所存取款，储蓄所与储户之间是( )。
A. 一对一的联系 B. 一对多的联系 C. 多对一的联系 D. 多对多的联系 [单项选择]病人午后或入夜发热，伴五心烦热者属（）
A. 恶寒发热 B. 阴虚潮热 C. 寒热往来 D. 湿温潮热 E. 阳明潮热 [单项选择]进行交叉作业时做法正确的是（）。
A. 作业现场设置专责监护人 B. 上层物件未固定前，下层继续作业 C. 上下抛掷工具、材料、边角余料 D. 在吊物下方接料 [单项选择] A Small Event
One afternoon in January 1989, Suzan Sharp, 43, and her 8-year-old son, David ,were walking hard across an icy parking lot, when Suzan’’s cane (手杖)slid on the ice . She 【51】 face fist into the mud . David 【52】 to her side . "Are you all right, Mom "
【53】 , Suzan put herself up. "I’’m okay, honey." she said.
It had been nearly two years since Suzan had trouble walking. She was falling more 【54】 now. Every inch of ice was a 【55】 danger for her. " I could do something," the boy thought.
David, too, was having 【56】 of his own. The boy had a speech defect. At school he 【57】 asked questions or read aloud.
One day Davids teacher announced a 【58】 assignment. "Each of you is going to come up with an invention, "she said. This was for "INVENT AMERICA!", a national competition to encourage creativity in 【59】 . An idea hit David one evening. 【60】 only his mothers cane didn’t slip on ice ,he thought. "That’’s it!" David realiz
A. rarely B. often C. always D. occasionally [单项选择]当变桨系统接收到来自主控的急停命令，整机安全链断开或者，驱动电机以（）速度向90度方向变桨直到触发87度接近开关.
A. 7度每秒 B. 6度每秒 C. 4度每秒 D. 5度每秒 我来回答: 提交
|
