第2题: [单项选择]American economists are surprised to see that ______ A. they have to revise the GDP forecasts so often B. their government is announcing the end of a recession C. US economy is showing some signs of an upturn D. GDP growth reflects stronger domestic demand 参考答案:C 答案解析:第一段是一句话段落,其主干结构是positive surprises…lead economists to…supporting the notion that…。该段提到政府报告带来的意外惊喜使经济
第8题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Because he doesn’t write well enough. B. Because he is not a professional writer. C. Because he has no professional experience. D. Because he didn’t perform well in the interview. 参考答案:C 答案解析:[听力原文]
W: How was the job interview I think you’ll make a good journalist. I remember you as the b
第35题: [单项选择]慢性浅表性胃炎的最主要病因是() A. 幽门螺杆菌感染 B. 自身免疫 C. 饮食和环境因素 D. 十二指肠液反流 E. 长期食用刺激性食物和药物 参考答案:A 答案解析:流行病学研究表明,我国属幽门螺杆菌高感染率国家。幽门螺杆菌感染无例外地引起胃黏膜炎症,感染后机体难以清除而变成慢性感染。此菌是慢性浅表性胃炎的最主要病因。
第36题: [单项选择]必须输入任何的字符或一个空格的输入掩码是______。 A. A B. a C. & D. C 参考答案:C 答案解析: [知识点] 数据库和表的基本操作/表的建立/设置字段属性 [评析] 定义输入掩码属性所使用的字符如下表: