以下均为分泌性腹泻的疾病，除外（）。 A.霍乱 B.副霍乱 C.血管活性肽瘤 D.甲

如图所示，是A、B两物体同时由同一地点向同一方向做直线运动的v-t图象，则B物体运动的加速度为_________m/s²，经___________s 物体A、B相遇，经____________s 物体A、B相距最远。

下列说法中正确的是（　　）

A．空气中的氧气主要来自于植物的光合作用

B．氧气的化学性质很活泼，在常温下能与所有物质发生化学反应

C．工业上分离液态空气制氧气的过程属于分解反应

D．没有二氧化锰作催化剂，过氧化氢溶液就不会产生氧气

女，9岁，"感冒"后水肿1个月，开始颜面部，渐及全身，经泼尼松足量并间断应用呋塞米治疗，病情一度好转，2周前出现腰痛伴血尿，水肿加重，出现腹水，近3天不能下地活动，血压120／80mmHg。查尿蛋白+++，隐血+++，BUN10．7mmol／L，血胆固醇11．2mmol／L，血浆白蛋白20g／L。

目前病情加重，最可能的并发症是（）

A.感染

B.严重低蛋白血症

C.急性肾功能不全

D.低血容量

E.尿路感染

My mind seems always to return to the day when I met Carl. The city bus stopped at a corner to pick up the daily commuters (someone who travels regularly to and from work), a group in which I was included. Boarding the bus, I looked for a place to sit. At last, I found a place near the back.

The man in the seat next to the one I was going for was an older man in a grey suit, well-worn dress shoes, and a black hat like I always pictured reporters wearing, but without the little press card. Seated, I began to read the book I had been carrying, which was Jack Kerouac’s On the Road. The man in the seat next to me introduced himself by asking if I had read any other book like the one I was holding. When I told him I had, he seemed to become interested, and so did I. He introduced himself as Carl and asked if I liked jazz, and I told him that I didn’t really listen to it, and that I liked rock and roll. Waiting for Carl to tell me that I should listen to real music, I was shocked when he just smiled and nodded. He said, "You remind me of myself when I was your age. I remember how my parents hated jazz and how they couldn’t see how I could listen to that awful noise. I bet your parents say the same thing, don’t they?" Now it was my turn to smile, amused with how right he was.

As the bus carried us from one side of the city to the other, Carl and I talked about a lot of different things. The more we talked, the more amazed I became at how much the two of us really had in common, despite the age difference. I haven’t seen him since we parted, but the thought of our connection that day rarely leaves my mind.

Carl really made me think about how much we can learn from each other if we just break through the blocks between us we’ve got. I mean, I would have never thought before that day that I could have anything in common with someone so much older than I. But Carl taught me that no matter what we are, we are all just people, and that we should make an extra effort to try and get to know our neighbors and people we see every day, regardless of age, race, religion, sex, or anything else. If we all take the time to attempt to understand each other, I think that the world would be a much better place that we could share together, as humans.

小题1:From the first paragraph we know that the author _____________.

A．did not mind whether there was a seat or not

B．hoped to have a seat when getting on the bus

C．thought the bus was overcrowded

D．looked for a seat but failed小题2:The author usually imagined a reporter as one who _____________.

A．liked jazz music

B．enjoyed talking with others

C．liked reading Jack Kerouac’s works

D．usually wore a black hat and press card小题3: After talking with Carl, the author realized that _____________.

A．older people were nice to talk to

B．he should have known Carl earlier

C．his parents were so different from Carl in listening to music

D．age was not necessarily a problem in heart-to-heart communication小题4:It can be inferred from the passage that _________.

A．the author hasn’t seen the old man since then

B．jazz music used to be more popular than rock and roll

C．the author was not satisfied with human relationships in the world

D．Carl made the author realize we humans live in peace and brotherhood

患者，突发晕厥急诊，D-二聚体2000μg/ L，PaO₂40mmHg，胸部X线可见靠近胸膜的多发楔形，关于患者所患疾病，下述哪一项是正确的

A．是临床综合征的总称
B．是支气管动脉发生栓塞引起组织缺血所致
C．主要症状是胸痛、呼吸困难和咯血
D．发病率低，但死亡率高
E．由于其临床表现多很典型，其漏诊率和误诊率较低