下列哪项是放射敏感性与可治愈性的关系？（） A.与可治愈性关系不大 B.等于可治愈性

根据短文内容，从方框中选出能填入空白处的最佳选项。(选项中有两项为多余选项) Saying Goodbye Many people were waiting for the train. Some were reading newspapers and some were saying goodbye to their friend． Doctor Smith, Mr. Lee and Mr. Brown were talking so happily that ____16____ Then the guard called loudly, “The train is going to leave. ____17____ The three men heard the guard and two of them jumped onto the train quickly before it moved. One was left behind. It was Dr. Smith. He ____18____ The guard came to him and said, “Don’t worry. ____19____ ”“I know.” Dr Smith said，“ ____20____ My friends only came to say goodbye to me. ” A. But it is my train. B. they didn’t know the train was going to leave. C. was very excited. D. Hurry up, please. E. looked very sad. F. The next train will come in ten minutes. G. Take your time.

某市拟在某高校旁边建设一条高架路，依照《环境影响评价公众参与暂行办法》的规定，建设单位应当在确定了承担环境影响评价工作的环境影响评价机构后（）日内，向公众公告项目相关信息。

A.3

B.5

C.7

D.10

某生物兴趣小组开展“温度对甲状腺激素活性的影响”课题研究．

材料有几只相同的玻璃缸，清洁的河水，发育状态相同的同种小蝌蚪数十只，饲喂蝌蚪的饲料，未经处理的具有活性的甲状腺激素，具有活性的甲状腺激素放在50℃的温水中处理10分钟．通过观察蝌蚪的发育状况来验证课题．

（1）实验方案的设计

第一步：取玻璃缸3只，分别标记甲、乙、丙；

第二步：______．

第三步：甲缸每天喂不加甲状腺激素的饲料；

乙缸______；

丙缸______．

第四步：置于适宜条件下饲喂一段时间，观察蝌蚪发育为青蛙的先后顺序．

（2）假如你所观察到的结果为：甲缸中蝌蚪和丙缸中蝌蚪发育时间相差不大，乙缸中蝌蚪发育所用时间最短，你得出的结论是______．

货物定期船运又称定期班轮，主要装运______。

A．杂货

B．包装类杂货

C．数量多、运价低的货物

D．泡货

54岁男性患者，6h前突然胸骨后紧缩样疼痛，查心电图示V₃RV₄R及V₅R有病理性Q波，相应的导联ST段抬高，四肢厥冷，出汗，心率106/min，血压80/50mmHg，尿比重1.024，中心静脉压3mmH₂O。目前最主要的治疗是

A．硝普钠

B．毛花苷C

C．呋塞米

D．补充血容量

E．阿拉明