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【简答题】
Questions 1 to 10 are based on the following passage. Cattle ranchers ( 牧场主 ) have had to sell portions of their herd for lack of water. Sacramento and other municipalities have 1 severe water restrictions. Ski resorts that normally open in December are still closed, at one here in the Sierra Nevada that is open, a bear 2 onto a slope full of skiers last week, 3 not hibernating ( 冬眠 ) because of the warm weather. The water shortage has Californians trying to deal with problems that usually 4 in midsummer. With little snow in the forecast, experts are warning that this drought, after one of the driest years on record last year, could be as 5 as the severe droughts of the 1970s. Under state law, that would allow the governor to "give up laws or regulations and expedite ( 加快 ) some funding," said Jeanine Jones, deputy drought manager for the State Department of Water Resources. "It does not create a new large pot of money for drought response or make federal funding 6 ." Signs of drought are everywhere, affecting vast sectors of the economy. A sense of 7 is building among farmers, many whom have already let fields to fallow ( 休耕的 ). Without more water, an 8 200 000 acres of prime agriculture land will go unplanted in Fresno County, according to Westlands Water District officials. Cattle ranchers 9 to letting cows graze on rain-fed grass have had to rely on bought hay or reduce their herds. Clergy of all faiths have been persuading the faithful to pray for 10. "May God open the heavens, and let his mercy rain down upon our fields and mountains," Bishop Jaime Soto said last week. A) accidentally B) accustomed C) apparently D) arise E) available F) composed G) disruptive H) dread I) estimated J) favor K) imposed L) indulgence M) precipitation N) sustainable O) wandered
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【判断题】纯净的单糖都是无色、无味、有吸湿性、易溶于水的晶体。()
A.
正确
B.
错误
【简答题】以下哪些学科和数据挖掘有密切联系?
【多选题】以下哪些学科和数据挖掘有密切联系
A.
人工智能
B.
计算机组成原理
C.
统计学
D.
模式识别
E.
冶金挖矿
【多选题】以下哪些学科和数据挖掘有密切联系?
A.
统计
B.
计算机组成原理
C.
矿产挖掘
D.
人工智能
【判断题】凹模是最典型的模具零件之一,属于型腔类加工零件
A.
正确
B.
错误
【多选题】物质通过细胞膜单纯扩散的速度取决于
A.
离子泵转运速度
B.
脂溶性大小
C.
通道开放数目
D.
膜内外物质浓度差
E.
载体数量多少
【判断题】为防止发生应急电源和主电源同步并联投入供电,故要求应急发电机和主发电机之间应有互锁控制环节。
A.
正确
B.
错误
【多选题】单纯扩散的速度取决于( )
A.
通道开放数目
B.
膜内外物质浓度差
C.
脂溶性大小
D.
载体数目
E.
Na+-K+泵的转运速度
【多选题】以下哪些学科和数据挖掘有密切联系?
A.
统计
B.
数据库
C.
机器学习
D.
矿产挖掘
E.
计算机组成原理
【多选题】以下【 】学科和数据挖掘有密切联系。
A.
统计学
B.
计算机硬件
C.
矿产挖掘
D.
数据库技术
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