患者男，50岁。上腹部持续闷痛半年，伴食欲减退，半个月来持续黑

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问题单项选择题 A2型题

患者男，50岁。上腹部持续闷痛半年，伴食欲减退，半个月来持续黑便2次/天，量不多，血压正常，胃镜见窦部有直径约4．0cm不规则溃疡，溃疡底不平，上消化道出血最可能的原因是（）

A.克罗恩病

B.胃溃疡

C.复合性溃疡

D.胃癌

E.胃泌素瘤

答案

参考答案：D

阅读理解

阅读理解。根据短文内容判断对错, 对的写“T”，错的写“F”。

Lu Yu is my best friend. She is twelve years old. We're the same age. She studies in Class Three, Grade

Five. She is short and a little fat. She has small eyes. Maybe she isn't beautiful, but she studies hard. From

Monday to Friday she has many classes. Her favourite subject is Chinese. She likes reading. After school she

always goes to read in the library.

( ) 1. I'm twelve years old.

( ) 2. Lu Yu is in Class Five, Grade Three.

( ) 3. Lu Yu is very fat.

( ) 4. Lu Yu is a nice girl.

( ) 5. Lu Yu likes Chinese best.

单项选择题

甘薯（山芋块根）存在白色的浆，是因为有（）。

A、腺毛

B、分泌腔

C、分泌道

D、乳汁管