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问题 单项选择题 A3型题

女性，19岁，高考落榜后，精神萎靡、少语、食欲差，每日仅进食主食100g，现体重仅24.5kg，毛发脱落，全身水肿。

此病人属哪种类型营养不良（）

A.干瘦型

B.低蛋白血症型

C.混合型

D.水肿型

E.蛋白质-能量营养不良型

答案

参考答案：E

填空题

根据短文内容及首字母提示，填写所缺单词。

     Nylon (尼龙) 1. w______ invented in the early 1930s 2. b______ an American chemist, Julian Hill.

Nylon was introduced to the world. It was cheap and strong and immediately 3. b________ successful,

especially in the making of women's stockings.

     During the Second World War (战争), the best present for many women was a pair of nylon

stockings, but more importantly, nylon was 4. u______ to make parachutes (降落伞) and tyres.

     Today, nylon is found in many things: carpets, ropes, seatbelts, computer, furniture and so on.

It has 5. p______ an important role in our lives for over 50 years.

1.______ 2._____ 3.______ 4.______ 5.______
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单项选择题 A型题

在完全缺血多长时间后，视网膜即可发生不可逆转的结构损害（）

A.15～20分钟

B.30～40分钟

C.90分钟

D.45～60分钟

E.120分钟
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