陕西电信LTE基站分为哪几类？

June Rutherford is preparing a research report on Andronicus Fund, an offshore hedge fund that specializes in identifying market pricing inefficiencies and profiting from the arbitrage opportunities they present. Rutherford includes these statements in her report: Statement 1: The rate of return that investors require from Andronicus should reflect the risk that the fund managers will not consistently capture positive abnormal returns from the anomalies they have identified. Statement 2: Arbitrage trading is unlikely to bring about fully efficient prices because Andronicus and other arbitrageurs will not trade if the gains to be captured are less than their transactions costs. Are Rutherford’s statements correctStatement 1 Statement 2（）①A. CorrectCorrect ②B. CorrectIncorrect ③C. Incorrect Correct

A. ①

B. ②

C. ③

This is John’s photo. We miss him very much. He _______ trying to save a girl in the earthquake.

A．is killed

B．was killed

C．has been killed

D．had been killed

下列各项属于我国五大粮食集中产区的是[ ]

A．华北平原    

B．太湖平原  

C．三江平原    

D．珠江三角洲

（10分）我国化学家侯德榜改革国外的纯碱生产工艺，生产流程可简要表示如下：

①上述生产纯碱的方法称        ，

②沉淀池中发生的化学反应方程式是   　   。

③写出上述流程中X物质的分子式   　 。

④向母液中通氨气，加入细小食盐颗粒，冷却析出副产品，通氨气的作用有       。

A．增大NH₄^＋的浓度，使NH₄Cl更多地析出

B．使NaHCO₃更多地析出

C．使NaHCO₃转化为Na₂CO₃，提高析出的NH₄Cl纯度

女，27岁，跌倒后左手肿痛，请结合X线检查，选出骨折类型（）

A.柯莱斯骨折

B.蒙泰贾骨折

C.加莱阿齐骨折

D.尺桡骨骨折

E.反柯莱斯骨折