A132焊丝适于焊接()。 A.较重要的结构钢 B.奥氏体钢 C.低碳钢 D.合金钢

题型:单项选择题

问题:

A132焊丝适于焊接()。

A.较重要的结构钢

B.奥氏体钢

C.低碳钢

D.合金钢

考点:锅炉检修工考试锅炉辅机高级工技锅炉辅机高级工技题库
题型:单项选择题

What is the good life Aristotle acknowledges that luck has a role to play in the good life, but to what extent does luck effect the good life If the good life is dependent on external factors, then it would appear that it could not be considered self-sufficient. However, Aristotle argues that the good life is self-sufficient, but communally self-sufficient. Why does Aristotle argue for what appears to be a contradiction in terms (46)It is contended that luck’s effect on the good life was much greater than Aristotle was prepared to acknowledge and that as a result of the good life being dependent on luck, the good life cannot be considered self sufficient.
Aristotle believed that the good for humans would be the maximum realization of the function that was unique to humans. Since reason was understood by Aristotle to be the unique quality that humans possessed, it followed that the good for humans was to reason well. (47)Since part of the task of reason was to teach human beings how to act virtuously, the good for humans was the exercise of their faculties in accordance with virtue. The good life, then, was defined by Aristotle as the activity of the soul in accordance with virtue.
(48)The circumstances that make it likely or unlikely that a person will lead the good life are external and not of one’s own choosing, and are, therefore, dependent on luck. Why not, it might be postulated, limit luck’s effects, specifically narrowing the scope of what constitutes the elements of the good life so as to limit, while not eliminating luck’s role
(49) Aristotle held that even if one could be viewed as leading the good life, should one experience any adverse circumstances such as illness, bereavement or isolation, then one could no longer be considered to be leading the good life. "For many reversals and all sorts of luck come about in the course of a life; and it is possible for the person who was most especially doing well to encounter great calamities in old age, as in the stories told about Priam in the Trojan war. But when a person has such misfortunes and ends in a wretched condition, nobody says that he is living well. "
Aristotle had argued that limiting the scope of luck’s effect on the good life would render life meaningless, yet is this not what is happening here (50)Knowing that as one ages the probability of experiencing misfortune is heightened, and still maintaining that this is a yardstick by which to measure whether one can be considered to be leading the good life, severely limits the chances of anyone attaining the good life. Limiting the scope of the external factors that affected the good life would render the good life too limiting, according to Aristotle; yet Aristotle has placed such severe limitations on the criteria that needs to be met in order to lead the good life that the probability of anyone ever leading the good life are practically non-existent.

题型:单项选择题

小张在淘宝网上开一家商店,他以10元每条的价格购进某品牌积压围巾2000条.定价前,小张先搜索了淘宝网上的其它网店,发现:A商店以30元每条的价格销售,平均每日销售量为10条;B商店以25元每条的价格销售,平均每日销售量为20条.假定这种围巾的销售量t(条)是售价x(元)(x∈Z+)的一次函数,且各个商店间的售价、销售量等方面不会互相影响.

(1)试写出围巾销售每日的毛利润y(元)关于售价x(元)(x∈Z+)的函数关系式(不必写出定义域),并帮助小张定价,使得每日的毛利润最高(每日的毛利润为每日卖出商品的进货价与销售价之间的差价);

(2)考虑到这批围巾的管理、仓储等费用为200元/天(只要围巾没有售完,均须支付200元/天,管理、仓储等费用与围巾数量无关),试问小张应该如何定价,使这批围巾的总利润最高(总利润=总毛利润-总管理、仓储等费用)?

题型:单项选择题

咸味药所含的主要成分是()

A.挥发油

B.无机盐

C.生物碱

D.鞣质

E.氨基酸、蛋白质等营养性成分

题型:单项选择题


Questions 47 to 56 are based on the following passage.
People who have (47) difficulty with reading, writing, listening or working with numbers might have a learning disability. We talked last week about a reading disorder, dyslexia (说话障碍) . Today we discuss a (48) disorder, dysgraphia (书写困难) .
Writing is not a (an) (49) skill. Not only does it require the ability to organize and (50) ideas in the mind, it also (51) the ability to get the muscles in the hands and fingers to form those ideas, letter by letter, on paper.
Experts say teachers and parents should suspect dysgraphia if a child’s handwriting is unusually difficult to read. Letters might be sized or spaced incorrectly. Capital letters might be in the (52) places, The child’s hand, body or paper might be in a strange position. These can all be signs of dysgrapbia. (53) problems can also be related to the disorder.
Many people have (54) handwriting, but dysgraphia is more serious. Dsygraphia is a neurological (神经性的) (55) that generally appears when children are first learning to write. Writing by hand can be physically (56) for people who have it.
A) poorI) writing
B) appearsJ) Spelling
C) expressK) difficult
D) unusualL) easy
E) painfulM) tell
F) normalN) wrong
G) helpsO) disorder
H) requires


题型:单项选择题

有机磷中毒烟碱样症状是()

A.肌肉震颤至全身抽搐,呼吸肌麻痹

B.头晕、共济失调、谵妄、昏迷

C.瞳孔缩小、流涎、肺水肿

D.癫痫样抽搐、瞳孔不等大

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