塔式起重机起升机构的组成是什么？

若a＜b，用“＞”或“＜”填空：

（1）3a______3b

（2）a-3______b-3

（3）-a-2______-b-2

（4）b-a______0．

椎-基底动脉的分支，错误的是（）。

A.椎动脉发出迷路动脉和小脑前下动脉

B.椎动脉发出脊髓前、后动脉

C.基底动脉发出小脑上动脉

D.基底动脉发出脑桥动脉

E.基底动脉发出大脑后动脉

During the seminar, "Inflation - Friend or Foe" Joe Lebow, an analyst with Greenwald & Associates, was discussing the difference between inflation and price level. He made the following two statements: Statement 1: To measure the inflation rate of a currency, one should calculate the annual percentage change in the price level. The calculation of this change shows the connection between the inflation rate and the price level. Statement 2: The higher the price level in the current year compared to the price level in the previous year, the higher is the inflation rate of a country. Any increase in the price level is evidence of (positive) inflation. Are the statements as made by Lebow regarding inflation and price levels correctStatement 1 Statement 2（）①A. Incorrect Incorrect ②B. CorrectCorrect ③C. CorrectIncorrect

A. ①

B. ②

C. ③

患者，女性，36岁，因甲状腺功能亢进8年，药物控制不理想，并出现药物性肝损害。患者双侧甲状腺弥漫性肿大，Ⅲ°，尚无明显气道压迫症状，突眼征明显。无其他特殊病史。ECG示窦性心动过速，心率109次/分，血小板78×10/L。

选择什么麻醉方法为宜（）。

A.局麻

B.颈丛阻滞

C.硬膜外麻醉

D.全身麻醉

E.硬膜外复合全身麻醉

从业人员发现事故隐患或者其他不安全因素，应当（）向现场人员或者本单位负责人报告，接到报告的人员应及时予以处理。

A.1小时内

B.立即

C.24小时内

D.12小时内