传统的套期保值是指生产经营者同时在期货市场和现货市场进行交易部位相同的交易,使一个市

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问题:

传统的套期保值是指生产经营者同时在期货市场和现货市场进行交易部位相同的交易,使一个市场的盈利弥补另一个市场的亏损,从而在两个市场建立对冲机制,以规避现货市场价格波动的风险。()

考点:期货从业第四章套期保值第四章套期保值题库
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在我国农村改革中,农民首创了家庭联产承包责任制,首选了第一个村民委员会,创办了第一批乡镇企业,被称为我国农民的三大创举。这充分说明了人民群众是

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A.社会历史的创造者

B.物质财富的创造者

C.社会变革的引导者

D.精神财富的创造者

题型:判断题

学生小组对金属与混合盐溶液发生置换反应的顺序进行研究.

(1)查阅资料,得到不同金属的活动性:镁>铁>铜

(2)假设:镁粉先与硫酸铜反应,置换出铜;如有多余,则继续与硫酸亚铁反应

(3)设计方案:将一定量的镁粉放入硫酸亚铁与硫酸铜的混合液,

操作步骤与实验现象简         答
(1)称取2.4克镁粉放入含有15.2克硫酸亚铁与16.0克硫酸铜的混合液______
(2)充分反应后过滤______
(3)将滤纸上物质干燥,为亮红色固体;称量后质量为6.4克肯定有的反应是:(化学方程式)
(4)将(3)所得固体放入盐酸,没有气体放出结论:
(4)学生结论:根据实验现象,以上假设成立.即镁粉放入混合液后,先置换出铜;如有多余,则继续与硫酸亚铁反应.

你觉得学生是根据以上哪些实验事实得出正确结论的:因为出现(a)______     (b)______(c)______ 等现象,所以假设成立.

(5)除此之外,你还可设计哪些方案来证明之:(简述)

(d)______               (e)______.

题型:判断题

8岁小孩,不慎将暖水瓶打碎而致双下肢烫伤。

最恰当的现场急救方法()

A.立即将浸有热水的衣物脱掉

B.立即将患儿送到烧伤专科医院诊治

C.立即脱掉浸有热水的衣物,用凉毛巾湿敷创面

D.立即拨打急救中心电话,将患儿送往医院救治

E.立即口服去痛片

题型:判断题

一个春节的凌晨5点左右,一位被汽车撞成重伤的少校军官被一位好心的老工人用三轮车送到某市医院急诊室。被请出来的值班医师一见到刚刚苏醒过来的少校问:"带钱了吗?"少校摇了摇头,又赶紧吃力地说:"我是现役军人,能报销……"话未说完又昏迷过去。医生给当地部队打电话,未能搞清伤者身份,于是又回原房间睡觉去了。到早晨交接班时,发现少校军官已死于候诊室外长椅上。事后,某报记者走访了当值医师,他很委屈地说:"我多倒霉呀!白受了个处分。半夜里,他既没钱又没同伴,我怎么能相信他的话呢?医院里病人住院一分钱不交就溜走的还少吗?你去试试,不先交钱就给你看病的医院有哪家?"

该值班医师严重缺乏的美德是()

A.克己

B.利人

C.同情

D.正直

E.以上都有

题型:判断题

A hobby can be almost anything a person likes to do in his (36) time. Hobbyists raise pets, build (37) ships, weave baskets, or carve soap (38) . They watch birds, hunt animals, climb (39) , raise flowers, fish, ski, skate, and swim. Hobbyists also paint pictures (40) concerts and plays, and perform on musical (41) . They collect everything from books to (42) , and from shells to stamps.
People take up hobbies because these activities offer enjoyment, friendship, knowledge, and (43) . Sometimes they even yield financial profit. (44) . Hobbies also offer interesting activities for persons who have retired. Anyone, rich or poor, old or young, sick or well, can follow a satisfying hobby, regardless of his age, position, or income.
(45) . Doctors have found that hobbies are valuable in helping patients recover from physical or mental illnesses. Hobbies give bedridden or wheel-chair bound patients something to do, and provide interests that keep them from thinking about themselves. (46) .

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