更多“实现社会主义初级阶段奋斗目标的基本途径是( )。”相关的问题
乳癖多发于（）
A、少年女性
B、青中年妇女
C、未育妇女
D、老年妇女
E、青壮年男性
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患者眩晕耳鸣，头目胀痛，面红目赤，急躁易怒，腰膝酸软，头重足轻，舌红，脉弦细数。其证候为\r\n
A . 肝火上炎B . 肝阳上亢C . 肝阴不足D . 肝气郁结E . 肝阳化风
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下列属于治疗不孕症的关键项目是（）。
A.男方体检，不必检查，只需要女方检查 B.男方只做一次精液常规，正常者只需要检查女方 C.女方只需要监测有无排卵并进行治疗 D.女方只需要检查输卵管是否通畅，对因治疗 E.男、女双方同时全面检查，对因治疗
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施工企业的库存材料包括（）
A.结构件 B.模板 C.安全网 D.架料
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根据《劳动法》，用人单位与劳动者发生的争议称为______争议。A．劳动B．住房C．待遇D．经济
根据《劳动法》，用人单位与劳动者发生的争议称为______争议。A．劳动B．住房C．待遇D．经济
A．劳动B．住房C．待遇D．经济
B．住房C．待遇D．经济
C．待遇D．经济
D．经济
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可以提高冠心病慢性心力衰竭患者的运动耐量，降低病死率的药物是
A.阿司匹林
B.利尿药
C.ACEI
D.钙拮抗药
E.哌唑嗪
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非此即彼的两个值，例如经济是否增长、是否患病、品牌是否被接受等，属于离散量中的：（）
A.二项
B.名义值
C.有序值
D.不属于上述任何一种
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胸部CT检查的重要价值在于纵膈病变的诊断和对肺内隐蔽部位及小病灶的显示。
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在A、B两点之间进行水准测量,得到满足精度要求的往测高差为+0.005m和返测高差为-0.009m。已知A点高程HA=417.462m,则( )。
A. B的高程为417.460m； B. B点的高程为417.469m； C. 往、返测高差平均值为+0.007m D. B点的高程为417.467m E. 往、返测高差之差为-0.004m。
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微动式行程开关的优点是有（）动作机构。
A.控制
B.转轴
C.储能
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空气中氧含量达到（）%为合格。
A.10.5～12.5 B.12.5～16.5 C.16.5～19.5 D.19.5～23.5
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在进行国际特快专递邮件出口查询时，查询局的下列做法正确的有（)。
A.中文填写查单收、寄件人详细地址和名称
B.英文填写查询原因
C.查询局将查单统一发至指定的查询部门
D.查询部门将查单内容通过跟踪查询子系统发送至公司总部查询中心
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GB50235-1997《工业金属管道工程施工及验收规范》适用于设计压力不大于（）的工业金属管道工程的施工及验收。
A . 20MPa
B . 25MPa
C . 30MPa
D . 42MPa
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Despite not being terribly smart as individuals, wasp (黄蜂) colonies build and maintain a complex nest that lasts many generations. Just how these social wasps coordinate this task has always been a mystery. But now a mathematical model suggests that one key factor drives their behavior: the amount of water in the nest. Social wasps cannot learn from one another—unlike bees, which use a complex dance to tell nest mates where sources of nectar (花蜜) are. Nor do they use pheromones (信息素) the way ants do to lead other ants to food. Robert Jeanne of the University of Wisconsin-Madison proposed that wasps set up a demand-driven chain of information. At the end of the chain, builder wasps monitor the nest and when necessary, request pulp from pulp forager wasps. They in turn demand water from water foragers in order to make the pulp. But biologist Istvan Karsai of East Tennessee State University in Johnson City, Tennessee, and his team found that social wasps in Panama don’t actually work that way. They removed either builders or pulp foragers from a colony of a species called Metapolybia aztecoides. Although that should break up the so-called information chain, it did not significantly alter the amount of water being brought into the nest. They also found that the wasps could change roles, something that Jeanne didn’t expert. For instance, when the researchers sprayed a surplus of water onto the nest, water foragers quickly became builders, and nest building increased. Based on their observations, Karsai’s team developed a mathematical model that shows that wasps achieve their complex behaviour simply by monitoring the level of water in the nest—what he calls the"common stomach" of the colony. He believes wasps infer what the level is when they exchange fluids on meeting each other, a behaviour called trophallaxis that is common in many social insects. To test the model, Karsai simulated changes in the model colony, for example by removing pulp foragers or builders. "What’s interesting is that in every case the model responds like the actual colony in Panama, "says Karsai.
A．Bees are smarter than wasps.B．Wasps have nothing in common with bees.C．Unlike bees, wasps live in colonies.D．Wasps use pheromones to lead other wasps to foo
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