问题 单项选择题 A3/A4型题

患者,男性,38岁。发热、乏力、齿龈肿胀出血2月入院。Hb70g/L、WBC1.1×109/L、PLT34×109/L、骨髓穿刺检查确诊为急性粒细胞白血病M5。经化疗3个疗程,骨髓达到完全缓解。1个月后又给大剂量化疗巩固治疗。化疗后患者出现骨髓抑制,三系细胞减少,给予输新鲜红细胞、手工分离血小板支持治疗。输血后1周,患者全身皮肤发红、瘙痒,可见斑丘疹、高热、黄疸、腹泻,为血水样便,每日2500mL。总胆红素105μmol/L,转氨酶345U/L。经对症治疗无效,患者死亡。

患者死于()。

A.急性白血病

B.骨髓抑制

C.过敏反应

D.输血相关性移植物抗宿主病

E.溶血反应

答案

参考答案:D

阅读理解

Teeth are important.Strong,healthy teeth help you chew foods that help you grow.They help you speak clearly.And,they help you look your best.Here are some tips for you to take care of your teeth.

1.Brush your teeth on the right way.

Brush your teeth at 1east twice a day—after breakfast and lunch or after sweet snacks,too.

Brush all of your teeth,not just the front ones,Spend time brushing teeth along the sides and back of your mouth.Brush away from your gums,too.

Spend at least three minutes each time you brush.Play a song you like to help pass the time.Get a new toothbrush every three months.When you buy your toothbrush,be sure it has soft bristles(毛).

2.Learn how to floss your teeth.

Flossing is a very important way to keep your teeth healthy.Food may hide in places where a toothbrush cannot get to,like the space between two teeth.Flossing can help get rid of it.Carefully move floss between two teeth.Up and down.You’11 need to floss your teeth at least once a day.

3.Have good eating habits.

You need to be careful about what you eat and drink。Eating sugar is a major of   tooth decay(腐败).Eating sugar before you go to bed can make things even worse,eat lots of fruit and vegetables and drink water instead of soda.

60.The passage is mainly about         .

A.how to take care of your teeth

B.how to brush your teeth

C.how to form good eating habits

D.how to floss your teeth

61.The underlined word “tips” in this passage means         .

A.money given to the waiter for personal services

B.piece of advice on how to do something

C.light blow,tape

D.thin end of something

62.When you brush your teeth.at least          minute(s)is necessary.

A.1                           B.2                            C.3                            D.4

63.Which is NOT mentioned in this passage?

A.Flossing your teeth.                                  B.Having good eating habits.

C.Brushing your teeth.                             D.Going to see the dentist.

64.Which of the following statements is NOT true according to this article?

A.We should brush our teeth at least twice a day.

B.Flossing can help to get rid of the food hidden between two teeth.

C.One of the major causes of tooth decay is eating sugar.

D.We don’t have to brush our teeth if we eat a lot of fruit and vegetables.

单项选择题