第11题: [单项选择]肾上腺髓质嗜铬细胞瘤不可能出现的检验结果是() A. 血浆和尿中肾上腺素浓度增高 B. 血浆和尿中去甲肾上腺素浓度升高 C. 去甲肾上腺素浓度升高幅度常超过肾上腺素 D. 进行胰升糖素激发试验时,肾上腺素和去甲肾上腺素浓度在用药后明显升高 E. 进行可乐定抑制试验时,去甲肾上腺素浓度仅轻微减少 参考答案:C
第27题: [单项选择]若对243个元素只进行三趟多路归并排序,则选取的归并路数为 (38) 。 A. 3 B. 5 C. 7 D. 11 参考答案:B 答案解析:[要点解析] 通常情况下,对N个元素进行众路归并时,归并的趟数s=[*]logkN[*]。 若对243个元素只进行三趟多路归并排序,则选取的归并路数为s=[*]log<
A. Heavily-burdened. B. Old. C. Inexperienced. D. Jobless. 参考答案:D 答案解析:[试题分析] 细节词义题。文中有很多处暗示了这种意思。 [详细解答] 首先文中有"jobless workers”,又提到“they had lost their jobs.”由此可知这项D是
第37题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. He shot John by accident. B. He was a fan of the Beatles. C. He knew what he was doing. D. He asked John Lennon for his signatur 参考答案:A 答案解析:[听力原文] Which of the following is NOT true of the killer [详细解答] 四个选项都为陈述句型,因此其中的谓语至关重