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【单选题】
Energy will be one of the defining issues of this century. One thing is clear: the era of (1)_____ oil is over. What we all do next will determine how well we meet the energy needs of the entire world in this century and (2)_____. Demand is soaring like (3)_____ before. As populations grow and economies (4)_____, millions in the developing world are enjoying the benefits of a lifestyle. that (5)_____ increasing amounts of energy. In fact, some say that in 20 years the world will (6)_____ 40% more oil than it does today. At the same time, many of the world's oil and gas fields are (7)_____. And new energy discoveries are mainly occurring in places where resources are difficult to (8)_____, physically, economically and even politically. When growing demand meets (9)_____ supplies, the result is more (10)_____ for the same resources. We can wait until a crisis forces us to do something. (11)_____ we can (12)_____ to working together, and start by asking the (13)_____ questions: How do we meet the energy needs of the developing world and those of industrialized nations? What role will renewables and (14)_____ energies play? What is the best way to protect our environment? How do we accelerate our conservation efforts? (15)_____ actions we take, we must look not just to next year, (16)_____ to the next 50 years. At Chevron, we believe that innovation, collaboration and conservation are the (17)_____ on which to build this new world. We cannot do this alone. Corporations, governments and every citizen of this planet must be part of the solution as (18)_____ as they are part of the problem. We (19)_____ scientists and educators, politicians and policy-makers, environmentalists, leaders of industry and each one of you to be part of (20)_____ the next era of energy.
A.
fossil
B.
eternal
C.
easy
D.
formidable
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【多选题】正确认识我国社会主义所处的历史阶段()
A.
是中国社会主义建设的首要问题
B.
是从实际出发的内在要求
C.
是制定和执行正确路线方针政策的根本依据
D.
是认清社会主要矛盾和根本任务的基础和前提
【单选题】心肌不会产生强直收缩,是因为()
A.
心脏是功能上的合胞体
B.
心肌肌质网不发达,Ca 2+ 储存量少
C.
心肌有节律性,会自动节律收缩
D.
心室肌呈"全或无"收缩
E.
心肌的有效不应期特别长
【多选题】正确认识我国社会主义所处的历史阶段( )
A.
是中国社会主义建设的首要问题
B.
是从实际出发的内在要求
C.
是制定和执行正确路线方针政策的根本依据
D.
是认清社会主要矛盾和根本任务的基础和前提
E.
是防“左”防右的有力武器
【单选题】心肌不会产生强直收缩,是因为心肌
A.
是机能上的合胞体
B.
呈“全或无”式收缩
C.
能产生身体收缩
D.
有效不应期长
【简答题】如何正确认识新时代和我国社会主义所处的历史阶段?
【单选题】心肌不会产生强直收缩是因为()
A.
心肌是功能上的合胞体
B.
心肌有自动节律性
C.
心肌有兴奋性
D.
心肌呈“全或无收缩”
E.
心肌有效不应期特别长
【判断题】心肌不会产生强直收缩,其原因是心肌是功能上的合胞体。
A.
正确
B.
错误
【单选题】正确认识现今我国社会主义所处的历史阶段,是中国社会主义建设的()。
A.
根本问题
B.
首要问题
C.
重要问题
D.
基本问题
【单选题】心肌不会产生强直收缩,是因为心肌( )
A.
呈“全或无”式收缩
B.
是机能上的合胞体
C.
有效不应期长
D.
能产生自律性收缩
【判断题】心肌不会产生强直收缩,其原因是心肌为功能上的合胞体。( )
A.
正确
B.
错误
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