基站覆盖范围与以下哪些个因素无关()
A.天线高度
B.天线类型
C.基站发射功率
D.用户
参考答案:D
如果病人否认服用激素药物,为确定应用激素的诊断,最合适的措施是
A.详细询问患者的家属,以获得真实的病史
B.利用以前的小便,进行尿样检查
C.抽血进行药物检查
D.向病人陈述检查结果,并与病人对证可疑的诊断
E.抽血并留小便,同时进行药物检查
An American manufacturer of racing bikes reported a 1996 second-quarter gross income of $18 million, compared with $11.5 million in the second quarter of 1995. This increase was realized despite a drop in U.S. sales of racing bikes in 1996 compared with i995, which was partly attributable to the unusually high sales in 1995 as a result of the unprecedented success of an American cyclist in a high-profile international race. Which of the following, if true, would contribute most to an explanation of the increase in the manufacturer’s gross income in 19967 ?()
A. Foreign manufacturers of racing bikes announced increased sales of their products in Europe in 1996 compared with 1995.
B. In the first quarter of 1996, the American cyclist who won the high-profile international race in 1995 announced that he was switching to the racing bike made by the manufacturer in question.
C. In the first quarter of 1995, the manufacturer in question first began selling its top-of-the-line "Titanium Extreme" model.
D. In the second quarter of 1996, the manufacturer announced that it would begin production of skateboarding equipment in the following quarter.
E. Intense competition in the racing bike market forced a competitor of the manufacturer to go out of business in the fourth quarter of 1996.