企业以盈余公积向投资者分配现金股利，会引起留存收益总额的变动。( )

护理接受化学治疗的白血病病人，最重要的措施是（）

A.防止和治疗感染

B.缓解疼痛

C.消除病人的忧虑

D.鼓励病人摄入蛋白质饮食

E.缓解体征

船舶在航行时，突遇跳闸停电，值班轮机员不正确的做法是()。

A.立即起动备用机组迅速供电并通知驾驶台 

B.原动机若没停车而跳闸，应去掉次要负载，迅速合闸并告知驾驶台 

C.如驾驶台急于用车，必须不考虑后果，立即执行驾驶台用车命令 

D.立即停发电原动机，然后检查配电情况

下图示意的甲、乙两国分别为传统、新兴的鲜切花生产国。据此，回答1—2题。

1、比较甲、乙两国降水特点及其原因

    ①甲国受西风带和暖流影响，全年降水较丰沛且季节分配均匀

    ②甲国受副热带高压带和西风带的交替影响，降水季节差异大

    ③乙国受赤道低压带影响，全年降水丰沛且季节分配均匀

    ④乙国受地形影响，降水季节差异大 [ ]

A、①③

B、①④

C、②③

D、②④

2、与甲国相比，乙国发展鲜切花生产的优势自然条件是

    ①热量丰富 ②光照充足 ③地形平坦 ④水源丰富 [ ]

A、①②

B、①④

C、②③

D、③④

EMB5116支持的输入电压的波动范围是（）。

Generally, data mining (sometimes called data or knowledge discovery) is the process of analyzing data from different perspectives and (1) it into useful information information that can be used to increase revenue, (2) costs, or both. Data mining software is one of a number of analytical tools for analyzing data. It (3) users to analyze data from many different dimensions or angles, categorize it, and summarize the relationships identified. Technically, data mining is the process of finding correlations or patterns among dozens of fields in large relational databases.
Although data mining is a (4) new term, the technology is not. Companies have used powerful computers to sift through volumes of supermarket scanner data and analyze market research reports for years. However, continuous innovations in computer processing power, disk storage, and statistical software are dramatically increasing the accuracy of analysis while driving (5) the cost.

(3)

A．benefits

B．affects

C．allows

D．avail