男,45岁,3年前中上腹间歇性隐痛,常于饭前或饭后4~5小时发生,偶尔睡眠时发生。进食后痛可好转。当地医务室诊为“胃炎”,服药后缓解。4天前上腹疼痛加剧,服阿托品无效,进食后不缓解。昨日解柏油样便3次,每次约150g,故来院诊治。体检:口唇无发绀,两肺(-);心律齐,无病理性杂音,腹软,中上腹有轻度压痛,肝脾未及,移动性浊音(-)。 白细胞5.0×109/L,血红蛋白100g/L,尿常规(-),大便血(+++)。 为明确诊断,可做何检查( )。
A. X线钡餐检查
B. 纤维胃镜检查
C. 血尿淀粉酶检查
D. 腹部平片
E. 肝功能检查
第一节 短文改错 此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正: 多一个词:把多余的词用横线(—)划掉,在该行右边横线上写出该词,并也用横线划掉。 缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。 错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。 注意:原行没有错的不要改。Naturalists have long known that the apes, our nearest relative in the animal 76. ______kingdom, communicate with one and another through gestures, sounds and facial 77. ______expressions. But it was always thought that only human beings can use words 78. ______and sentences. In the 1960s, however, researchers set themselves the task of reach 79. ______chimpanzees to communicate with humans. At first the scientists tried make them 80. ______to speak. But no chimp ever managed to acquire a vocabulary of more than four words 81. ______and even these were spoken with great difficult. The breakthrough came when two 82. ______scientists from the University of Nevada decided to try America Sign Language, 83. ______system of gestures used by deaf people. After four years, they had taught their first 84. ______chimpanzees to use 132 signs correctly to communicate their wants and needs. 85. ______