患者,男,45岁。平素嗜好烟酒,近日过服辛辣炙博之晶后,出现喉间呃声洪亮,冲逆而出,

题型:单项选择题

问题:

患者,男,45岁。平素嗜好烟酒,近日过服辛辣炙博之晶后,出现喉间呃声洪亮,冲逆而出,口臭烦渴,喜冷饮,大便秘结,小便短赤,舌苔黄,脉滑数。方选

A.大承气汤
B.小承气汤
C.丹栀逍遥散
D.竹叶石膏汤
E.以上都不是

考点:中医执业医师中医内科学呃逆
题型:单项选择题

关于安培力和洛伦兹力,如下说法中正确的是

A.通电直导线在匀强磁场中一定受到安培力的作用

B.安培力是大量运动电荷所受洛伦兹力的宏观表现

C.洛伦兹力可能对带电粒子做正功

D.通电直导线在磁场中受到的安培力方向与磁场方向平行

题型:单项选择题

某化学小组向AgNO3和Cu (NO3)2的混合溶液中加入一定质量的锌粉,充分反应后过滤,分别向滤渣和滤液中加入稀盐酸,均无明显现象,下列对滤渣和滤液的叙述中不正确的是

A.滤液中一定有Zn(NO3)2  

B.滤渣中一定有Cu

C.滤液中一定没有AgNO3

D.滤渣中一定有Ag

题型:单项选择题

下列胃肠型食物中毒的临床特点正确的是()

A.潜伏期短很少超过72小时

B.以急性胃肠炎为主要临床表现

C.变形杆菌感染可发生过敏症状

D.金葡菌感染呕吐明显

E.肠出血型大肠杆菌和副溶血性弧菌感染部分病例出现血水样便

题型:单项选择题

阅读理解

     Have you played it? It's a game for a person or for a carload.

     Someone begins, "I'm grateful to God for. . . " And he or she shares something. Then the next

person gives gratitude for something. This goes on for 5 minutes or more until you reach your

destination. There's no loser. Everyone feels happy after expressing gratitude. And sometimes you

discover amazing things.

     My 5-year-old granddaughter and I played the gratitude game when she visited us. I found out she

was grateful to her friend Josh. . . and "the other Josh". She was grateful to go swimming at the pool.

She was grateful to have a daddy who played with her and to a nice mommy.

     She would begin the gratitude games as soon as we settled into the car to drive somewhere. Playing

it with her, I tried to be honest and not just say something fast. I really stopped to think. What was I

grateful for at the moment? That our country was not at war. That we had plenty to eat. Playing the

game made me more aware of the good things in my life.

     A friend of mine was having a tough time seeing that there wasn't any good in his life. I suggested to

my friend that he take a few minutes before going to bed and write down all the good things he could

think of that happened during the day.

     Later he told me what happened. He couldn't think of anything good. But he persisted until he was

able to write a few things down.

     The next morning he decided to look for signs of good during the day. He sat down on his front

steps. A robin(知更鸟)landed on the grass. In his words, it began"doing a little dance", preening

(整理羽毛)and cleaning itself. He watched the entire show. It was delightful. He realized that if he

hadn't been really looking for good, he would never have noticed the robin and would have missed what

to him was a remarkable display.

     That evening he filled several pages with recordings of good that had happened during the day and

things he was grateful for. Gratitude had made a huge difference!

1. The purpose of the gratitude game is to __________.

A. let people share their gratitude to God

B. discover amazing things in life

C. make people realize the good things around them

D. practice people's skill of expressing themselves

2. From the description by the writer, we can know that her granddaughter __________.

A. spoke much faster than the writer

B. enjoyed the gratitude game

C. finished the game within five minutes

D. doubted her honesty

3. What was the problem with the writer's friend?

A. He saw nothing worth his appreciation.

B. He had lost his purpose of life.

C. He had trouble remembering what had happened during the day.

D. He found it hard to play the game.

4. The story of the writer's friend tells us that __________.

A. life is meaningless to a person who doesn't know how to give gratitude

B. one can always find relief in nature when he is in depression

C. gratitude plays an important role in changing a person's character

D. it's not difficult to find good things in life if one starts looking for them

题型:单项选择题

检查省煤器管子的飞灰磨损,必须一根管子从()到(),尤其对上边1-4层进行全面检查。

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