问题 单项选择题 A1/A2型题

化脓性中耳炎的常见临床表现有()

A.最常见的症状为耳内闷胀感或堵塞感

B.鼓膜内陷

C.化脓前期有明显耳鸣、耳聋和剧烈耳痛

D.鼓膜有液平面和气泡

E.鼓膜穿孔后耳痛剧烈

答案

参考答案:C

解析:分泌性中耳炎最常见的症状为耳内闷胀感或堵塞感、听力减退及耳鸣。鼓膜内陷,鼓膜有液平面和气泡。化脓性中耳炎鼓膜膨隆,易于穿孔,成人在化脓前期有明显耳鸣、耳聋和剧烈耳痛。化脓期有跳动性耳鸣,严重耳聋,剧烈耳痛。鼓膜穿孔引流通畅后,除耳鸣、耳聋外,疼痛消失,耳流脓逐渐消失。故正确答案为C。

阅读理解

Is it true ?

1.Wearing the wrong type of glasses will do harm to your eyes .

This is not true for adults , although incorrect glasses may not be good for children under 10 . Ready-made glasses , and not wearing when you should , won’ t do harm to your eyes , but you may see better with glasses that are specially made for you .

2.Watching too much television is bad for you eyes .

This is not true. People with easily affected eyes may find they get red and aching from staring at a fixed distance for long periods , but there won’ t be any lasting effects .

3. Carrots will help you see in the dark. Carrots are rich in beta-carotene, which the body can change into vitamin A, too little of which can cause night blindness. However , people in most countries don’ t need to worry about vitamin A deficiency(缺乏), night blindness is more likely to be connected with another vision problem .

小题1:According to the passage , which of the following is TRUE ?

A.Ready-made glasses will do harm to one’s eyes.

B.Wearing the wrong glasses may do harm to children’s eyes.

C.The human body is unable to change beta-carotene into vitamin A.

D.Watching less television may do harm to children’s eyes.

小题2:Night blindness is most likely caused by _____ .

A.staring for long periods

B.too much beta-carotene

C.not enough vitamin A

D.vision problems小题3:According to the article , eye problems can be corrected by _____ .

A.wearing specially-made glasses

B.performing eye exercises

C.cutting back on television

D.eating more carrots小题4:Watching too much television can cause _____ .

A.night blindness

B.lasting eye problems

C.a number of vision problems

D.eye trouble for a limited time小题5:The main purpose of this article is to _____ .

A.tell people of the importance of their eyes

B.tell people how to protect their eyes

C.tell people to have more carrots

D.tell people something more about their eyes

单项选择题