测量锅炉汽包液位时，暴露在蒸汽中的电接点因电阻率较低，浸没其中的电接点的两电极被导通，相应

未知题型

The term “quality of life” is difficult to definE.It (51) a very wide scope such as living environment, health, employment, food, family life, friends, education, material possessions, leisure and recreation, and so on. (52) speaking, the quality of life, especially (53) seen by the individual, is meaningful in terms of the degree (54) which these various areas of life are available or provide (55) for the individual.
As activity carried (56) as one thinks fit during on e’s spare time, leisure has the following (57): relaxation, recreation and entertainment, and personal development. The importance of these varies according to the nature of one ’s job and one’s life stylE.(58), people who need to (59) much energy in their work will find relaxation most (60) in leisurE.Those with a better education and in professional occupations may (61) more to seek recreation and personal development (E.g.(62) of skills and hobbies) in leisurE.The specific use of leisure (63) from individual to individual.
(64) the same leisure activity may be used differently by different individuals. Thus, the following are possible uses of television watching, a (65) leisure activity, a change of experience to provide (66) from the stress and strain of work; to learn more about what is happening in one ’s environment; to provide an opportunity for understanding oneself by (67) other people ’s life experiences as (68) in the programs.
Since leisure is basically self-determined, one is able to take (69) his interests and preferences and get (70) in an activity in ways that will bring enjoyment and satisfaction.
51_____
A.composes
B.consists
C.covers
D.constitutes
52A.Basically
B.Frankly
C.Primarily
D.Generally
53A.when
B.as
C.while
D.which
54A.to
B.as
C.of
D.in
55A.satisfaction
B.information
C.respect
D.admiration
56A.out
B.through
C.away
D.off
57A.effects
B.operations
C.functions
D.features
58A.However
B.Thus
C.Nevertheless
D.Yet
59A.provide
B.hire
C.exercise
D.exert
60A.preferable
B.desirable
C.obtainable
D.perfect
61A.tend
B.prefer
C.enjoy
D.oblige
62A.training
B.promotion
C.nurturing
D.cultivation
63A.varies
B.differs
C.changes
D.alters
64A.Still
B.Yet
C.Even
D.So
65A.correct
B.adequate
C.precise
D.proper
66A.separation
B.escape
C.flight
D.isolation
67A.contrasting
B.comparing
C.matching
D.measuring
68A.portrayed
B.described
C.related
D.narrated
69A.after
B.on
C.with
D.to
70A.involved
B.participated
C.attended
D.employed
请帮忙给出每个问题的正确答案和分析，谢谢！

未知题型

患者男性，50岁，乏力，活动后有胸痛症状，硝酸甘油治疗无效。1在胸骨左缘可闻吸收缩中、晚期粗糙的吹风样杂音。X线示心影左缘明显突出，超声心动图提示室间隔明显增厚，回声增强，室间隔厚度与左心室后壁厚度之比（IVS／LVPW）＞1.3，超声心动图诊断为肥厚型心肌病。肥厚型心肌病最常见的心肌肥厚部位是A、左心室前壁
B、左心室侧壁
C、心尖部
D、室间隔上中部
E、室间隔下部
以下关于肥厚型心肌病超声心动图特征的描述错误的是A、可有SAM现象
B、主动脉瓣收缩中期提前关闭
C、二尖瓣反流
D、左心室腔明显扩大
E、左心房增大
梗阻性与非梗阻性肥厚型心肌病的主要鉴别点是A、前者室间隔厚度明显大于后者
B、前者左心房明显增大
C、前者左心室后壁厚度增厚，而后者正常
D、前者室间隔厚度与左心室后壁厚度之比（IVS／LVPW）＞1.3，后者IVS／LVPW＜1.3
E、前者有左心室流出道狭窄，后者无
肥厚型心肌病可合并瓣口关闭不全并产生血液反流，最常见的为A、主动脉瓣反流
B、肺动脉瓣反流
C、二尖瓣反流
D、三尖瓣反流
E、A+C

判断题

决策点、方案枝、状态节点、概率枝都是决策树的符号。
正确错误

测量锅炉汽包液位时，暴露在蒸汽中的电接点因电阻率较低，浸没其中的电接点的两电极被导通，相应的显示灯为亮。（）

相关考题

测量锅炉汽包液位时，暴露在蒸汽中的电接点因电阻率较低，浸没其中的电接点的两电极被导通，相应的显示灯为亮。（ ）

相关考题

测量锅炉汽包液位时，暴露在蒸汽中的电接点因电阻率较低，浸没其中的电接点的两电极被导通，相应的显示灯为亮。（）