患儿,男,6岁,反复分泌性中耳炎,张口呼吸,CT显示咽顶后壁广泛软组织增厚,邻近结构

题型:单项选择题

问题:

患儿,男,6岁,反复分泌性中耳炎,张口呼吸,CT显示咽顶后壁广泛软组织增厚,邻近结构无侵犯,最符合下列哪项诊断()

A.腺样体肥大

B.淋巴瘤

C.鼻咽纤维血管瘤

D.恶性肉芽肿

E.脊索瘤

考点:耳鼻咽喉科(医学高级)耳鼻咽喉科综合练习耳鼻咽喉科综合练习题库
题型:单项选择题

Do you know 3D movies? When you see one, it’s like the story is happening in front of you, and you are a part of it. 3D movies are amazing to watch, but do you know how to make them, and why you need to wear a pair of 3D glasses? To understand these questions, let’s do an easy experiment.

Put a finger in front of your eyes.

Cover your left eye and look at the finger.

Cover your right eye and look at the finger.

What do you see? The finger you see with your left eye is in a different position from the one you see with your right eye. This means you get two images(图像) when you look at something with both your eyes. To make a 3D movie, people have to get two images at the same time, so they use two video cameras. When playing a 3D movie, they use two projectors(放映机) at the same time. This brings two images together on the screen. Then, we use 3D glasses to separate(分离) the two images(1). One image enters one eye and the other image enters the other eye.

Then our brains put the two images together. This way, we get 3D pictures(2).

小题1:判断正误(“T”表示正确,“F”表示错误)You are a part of the story when you see 3D movies.

小题2:完成句子3D movies are exciting to watch, but you need to ____________________________.

小题3:简略回答问题 How do people get two images at the same time to make 3D movies?

_______________________________________________________________________

小题4:划线句子(1)提问_______________________________________________________________________

小题5:将文中划线句子(2)译成汉语。_______________________________________________________________________

题型:单项选择题

男,20岁,行胸腔穿刺抽液,当抽取草黄色液体30ml时,患者突感头晕心悸,脸色苍白,四肢凉,脉细弱。

病人最可能出现()

A.麻醉药反应

B.纵隔摆动

C.气胸

D.胸膜反应

E.肺水肿

题型:单项选择题

喷射钢纤维混凝土时,钢纤维掺加量越多,混凝土强度越高。

题型:单项选择题

再结晶和回复过程的驱动力相同。

题型:单项选择题

下列选项中()不是离心泵汽蚀的现象。

A.压力表归零

B.泵体振动

C.噪声强烈

D.电流波动

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