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{{B}}Business and the environment{{/B}} These days in business, people have to face many challenging questions when designing , and implementing new projects in undeveloped areas of the countryside. One issue which has to be faced is whether it is possible to introduce new technology without destroying the local environment. Economic{{U}} (21) {{/U}}and environmental conservation are often seen as natural enemies. It is unfortunate that in the past this has often been true, and it has been necessary to choose between{{U}} (22) {{/U}}the project A. promised B. persuaded C. convicted D. committed [单项选择]下列哪项超声表现为鉴别颈动脉海绵窦瘘和海绵窦血栓的特异性表现（）
A. 眼上静脉明显扩张 B. 眼上静脉压力增高 C. 眼上静脉反向血流 D. 多普勒频谱示海绵窦静脉血流动脉化 E. 同侧颈内动脉血流量增高，阻力指数下降 [判断题]生产经营过程中发生的火灾事故,其后果严重程度难以预测,同类火灾事故并不一定产生完全相同的后果。这种观点符合偶然损失原则。
A.正确 B.错误 [多选题]现行的商户按银联商户扣率标准分为 三大类。( )
A.标准类 B.优惠类 C.公益类 D.减免类 [单项选择]What does the passage mainly discuss
A. A comparison of two popular comic strips. B. The differences between early and modem comic strips. C. The effects of newspapers on comic strip stories. D. Features of early comic strips in the United States. [判断题]强令未经三级安全教育的工人、无上岗证的特种作业工人上岗工作属违章操作。
A.正确 B.错误 [单选题]在品牌选择和培育上遵循( )原则,突出重点工业企业和全国重点骨干品牌。
A.效率优先 B.工商协同 C.扶优扶强 D.发展优先 [单选题]尖轨及其前后各25m范围内的基本轨扣件扭矩应保持在（ ）N.m。
A.60~80 B.80~120 C.120~150 D.700~900 [判断题]( )职业纪律中包括群众纪律。
A.正确 B.错误 [判断题] 黄铜中加入铁,可有效提高其力学性能,但耐热性和抗腐蚀性有所下降。
A.正确 B.错误 [简答题]
某世行贷款项目下的货物采购，其合同金额为8万美元，该批货物及早交付对于借款人至关重要。招标过程中，有4家投标人的投标文件通过响应性评审，进入详细评审阶段，招标人最终选择了投标报价最低的投标人为中标人，并与之签订了货物采购合同。 问题： 本案中的货物采购应采用何种采购方式，其具有何特点? [判断题]起重气垫可用于升举扶正倒翻车辆和重物提升。( )
A.正确 B.错误 [判断题]
在±400kV及以上电压等级的直流线路单极停电侧进行工作时,应穿着工作服。 A.正确 B.错误 [单项选择]
During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (1) phenomenon of race consists of a few surface indications. [单选题]上肢肌中（）收缩可屈前臂。
A.肱二头肌 B.肱三头肌 C.肩带肌 我来回答: 提交
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