地球内部蕴藏着石油、煤、天然气等物质，这些物质是人类生产和生_爱下问搜题

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问题填空题

地球内部蕴藏着石油、煤、天然气等物质，这些物质是人类生产和生活的主要能源来源，它们都属于______再生能源，因此要科学地开发和合理地利用这些能源．

答案

石油、煤、天然气等物质都是在短时间内无法再生的能源，属于不可再生能源；

故答案为：不可．

多项选择题案例分析题

患者女，11个月。因呕吐、腹泻3d入院，起病后每日呕吐5～6次，进食甚少。腹泻每日10余次，为不消化蛋花样稀汤便。低热、嗜睡、尿少。体格检查：体温38℃（肛），脉搏160次/min，呼吸38次/min，体重8kg。精神萎蘼，意识清醒，皮肤干燥，弹性较差。心音弱。肺正常。肝肋下1cm。实验室检查：粪常规：阴性。血常规：血红蛋白9.8g，白细胞12×10⁹/L。血气分析：pH7.29，AB9.8mmol/L，SB11.7mmol/L，BE-16.5mmol/L，PaCO₂23.4mmHg。血Na⁺131mmol/L，血Cl^-94mmol/L，血K⁺3.26mmol/L。

提示：经上述处理后，患儿出现肢体麻木、烦躁不安，呼吸增快，达45次/min，心率142次/min，频发房性期前收缩，指端色泽灰暗。复查动脉血气：pH7.39，PaCO₂22mmHg，PaO₂70mmHg，HCO₃^-31mmol/L；血Na⁺148mmol/L，血Cl^-124mmol/L，血K⁺4.0mmol/L。患儿现存在的水、电解质及酸碱平衡失调是（）

A.离子钙浓度降低

B.等渗性脱水

C.输液过度，出现水中毒

D.代谢性碱中毒

E.呼吸性碱中毒

F.高氯性代谢性酸中毒

完形填空

Suppose someone gave you a pen---a sealed(密封的),solid‑coloured pen. You couldn’t see how much 21 it had. It might run dry 22 the first few tentative (试探的) words or last just long and make a difference in the scheme of things. You don’t know when the ink will 24 .
Under the rules of the game, you really never know. You have to 25 a chance! Actually, no rule of the game states you must do anything. 26 picking up and using the pen, you could leave it on a shelf or in a drawer where it will dry up, 27 .But if you do decide to use it, what would you 28 it? How would you 29 the game?
Would you plan and plan before you ever 30 a word? Would your plans be so extensive that you never didn’t even start 31 ? Or would you take the pen 32 ,plunge right in and Just do it, struggling to keep up 33 the twists and turns of the torrent (急流)of words that take you where they take you?
Would you write cautiously and 34 ,as if the pen might run dry the next moment, or would you pretend to believe that the pen would write forever and go on accordingly?
And what would you write about:Love? Hate? Fun? Misery? Life? Death? Nothing? 35 ?
Would you write to 36 just yourself? Or others? Or yourself by writing about others?
Would you even write? Once you have the pen ,no 37 says you have to write. Would you sketch? Scribble(潦草地写)？Doodle(涂鸦)or draw? Would you stay in or on the 38 ,or see no lines at all, even if they 39 there? There’s a lot to think about here, isn’t there?
Now, 40 someone gave you a life…

B．In spite of

D．Rather than

B．deliberately