一辆重为4t的汽车某段时间内运动的υ-t图像如图所示，设汽车受到的阻力恒定，下列

以葡萄糖为燃料的微生物燃料电池结构示意图如图所示。关于该电池的叙述正确的是

A.该电池能够在高温下工作

B.电池的负极反应为：C₆H₁₂O₆+6H₂O-24e^-=6CO₂↑+24H⁺

C.放电过程中，H⁺从正极区向负极区迁移

D.在电池反应中，每消耗1 mol氧气，理论上能生成标准状况下CO₂气体L

下面一则文稿在表达上有五处不妥当，请指出并改正。（5分）     （   ）

关于预防甲流的通知

①近日我国各地不断暴发聚集型甲流，防控甲流的任务越来越严峻。②‘为提前做好我集团预防甲流的各项工作，使每位员工不被病毒感染，安心工作，③集团党委研究决定，将对每位员工进行上午、下午两次体温测量，④如有发烧并感到不适者，经有关部门批准后可在家休息一周；⑤集团从今日起统一免费供应含有中药配方预防甲流的饮用水，望每位员工根捂自身所需的剂量服用，不要浪费。⑥随着天气渐趋寒冷，将会有更大规模的甲流可能暴发。⑦我集团将鼎力做好防控工作，为全体员工营造更加舒适的工作环境。   

中国××企业集团有限公司

2009年10月17日

男，30岁。左前胸刀刺伤半小时。查体：烦躁不安，皮肤苍白、湿冷，呼吸困难、脉搏细弱、140次/分，颈静脉怒张，血压9.33/6.67kPa（70/50mmHg）。左前胸第5肋间处见约4cm伤口。

有诊断意义又有治疗价值的最佳选择应是（）.

A.胸膜腔穿刺

B.心包腔穿刺

C.胸腔镜检查

D.心导管检查

E.胸膜腔闭式引流

ARE you a dog person or a cat person?

With so many photos and videos of cats and dogs doing cute things online, it’s easier than ever to answer which of these furry friends you like more. There are many reasons why people prefer one type of pet over the other. So, have you ever wondered what your preference for cats or dogs says about you?

In fact, a 2010 study done by Sam Gosling , a psychologist at the University of Texas, US, and his graduate student Carson Sandy found that dog people are more extroverted（外向的）agreeable and serious than cat people.

“Cats will occasionally engage in social activities, but usually after only a few minutes they will abandon the game. Dogs, on the other hand, will often engage in play, like fetching a thrown lull, for hours at a lime," said Modem Dog magazine.

Just on the basis of dogs' nature being more sociable than cats’, you may expect that the personalities of dog people also reflect higher sociability. And Cosling’s study found that dog people are generally about 15 percent more extroverted and 13 percent more agreeable, both of which are associated with social altitude.

In addition, dog people are 11 percent more conscientious than cat people.

“Conscientiousness" is a tendency In show self-discipline（自律）,to complete tasks and aim for achievement. This quality also shows a preference for planned rather than spontaneous （一时冲动的） behavior.

In comparison, cat people an; about 12 percent more anxious, but they are also 11 percent more “open” than dog people, due to a general appreciation for art, emotion, imagination, curiosity, adventure, unusual ideas and variety of experience. And people high on openness are more likely to hold unconventional beliefs.

Despite vast differences, there an some things that cat people and dog people have in common. “Both types of people consider themselves close to nature, dislike animal-print clothing and generally optimists. ” noted Mother Nature Network.

小题1:What does the article mainly talk about?

A．Differences between dogs and cats in their personality qualities.

B．Factors that influence people’s preference for dogs or cats.

C．How raising a pet helps shape your personality.

D．What your preference for dogs or cats reveals about you.小题2:The underlined phrase “engage in ”in the fourth paragraph probably means        .

A．get involved in

B．benefit from

C．take little interest in

D．perform well in小题3:According to the study done by Sam Costing, dog owners tend to    than cat owners.

A．be more imaginative and creative

B．live a more organized life

C．love to get close to nature more

D．be more easygoing and adventurous小题4:According to the article, both dog people and cat people      .

A．are generally self-disciplined

B．are usually positive and care about nature

C．are likely to hold unconventional beliefs

D．like to wear animal-print clothing;

车轴齿轮箱的润滑采用油泵供油和齿轮（）润滑相结合的方式。