下表是三户人家四月份的用电情况,请你根据表解答下列问题.月份电量户别四月份李家4

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问题:

下表是三户人家四月份的用电情况,请你根据表解答下列问题.
月份
电量
户别
四月份
李家4人37度
林家5人39度
马家6人54度
(1)四月份平均每户用电多少度?(保留整数.)
(2)平均每人用电多少度?(保留一位小数.)
(3)根据第(1)题,如果按照每度电0.5元计算,四月份平均每户交电费多少元?
(4)你还能提出什么数学问题?
考点:整数,小数,分数,百分数和比例的复合应用题
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对光纤进行的射线理论分析中,常用()来表示光纤捕捉光波能力的大小。

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阅读理解。

     The afternoon sun was warm on the men who were working on the doors and window frames(框). One of

the workmen was called Adam. He was taller than the other man and could be heard singing above the sound of

the hammer. Now and then some measurement required more concentrated (集中的) attention and the cheerful voice became a low whistle but soon it broke out again and was as loud as before. Such a voice could. come

only from a broad chest and the broad chest belonged to a large-bone muscular (肌肉发达的) man, nearly six

feet tall, with a straight back and strong arms.

1. The atmosphere in this passage is _____ .

A. peace and calm

B. warm and cheerful

C. quiet and free

D. noisy

2 . Adam might best be described as _____ .

A. strong and happy

B. serious and hard-working

C. rough but funny

D. careless and shy

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张某欲为其62岁的母亲和8岁的女儿投保意外伤害保险。为此,他向保险公司详细询问了有关意外伤害保险的具体条件,也如实地回答了保险公司的提问。在张某为其女儿投的意外伤害保险中,受益人如何产生

A.因其女儿为无民事行为能力人,故张某以其监护人的身份指定受益人

B.张某女儿虽无民事行为能力,但因为她是该保险合同的被保险人,故她可以指定受益人

C.因其女儿无民事行为能力,故她可以委托张某指定受益人

D.张某作为投保人可以指定受益人,但必须征得其女儿被保险人的同意

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胸水检查为:血性,比重1.020,蛋白定量39g/L,LDH503U/L,葡萄糖定量2.4mmol/L,ADA50U/L,最可能的诊断为()

A.右心衰竭胸水

B.结核性胸水

C.癌性胸水

D.丝虫病性胸水

E.结缔组织病性胸水

题型:解答题

大叶性肺炎可见()

A.鲜红血丝痰

B.粉红色泡沫样痰

C.铁锈色痰

D.棕褐色痰

E.黑色痰

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