第12题: [单项选择]Questions 33 to 35 are based on the passage you have just heard. A. The group rinsing(漱口) with carbohydrate drinks. B. The group rinsing with sugar-free water. C. The group swallowed carbohydrate drinks. D. The group swallowed sugar-free water. 参考答案:B 答案解析:[听力原文] 33-35 Recently, (35) researchers in England discovered that simply rinsing your mouth
第18题: [单项选择]Bronze ______ with ease or grow brittle quickly, as copper does. A. not bending B. does not bend C. that does not bend D. to not bend 参考答案:B 答案解析:[解析] 句子结构题。根据句子结构,逗号后面出现了as引导的方式状语从句,说明前面是主句,缺少谓语成分,故[刚为正确答案。
第20题: [单项选择]The guest turned upside down his glass as a signal that he would drink no more.
A. conversed B. inversed C. traversed D. reversed 参考答案:D 答案解析:[解析] 本题中,turn upside down的意思是“倒转,翻过来”。四个选项中,reverse的意思是“使某物反转,将某物翻转”。如:She reversed the paper.(她把纸翻过
第27题: [多项选择]关于复等位基因有如下叙述,正确的是() A. 复等位基因是指位于同一基因座位中,一组等位基因的数目在两个以上的遗传现象 B. 复等位基因如有几个,则基因型数目=n(n+1)/2 C. 如果纯种数=n,则杂种数=n(n-1)/2 D. 复等位基因的多态现象,增加了生物的多样性和适应性 参考答案:A, B, C, D
第36题: [单项选择]段某,女,67岁,平素查血清脂示:胆固醇6.03mmol/L,甘油三酯2.71mmol/L低密度脂蛋白4.38mmol/L,血压不稳,一般在180~140/110~100mmHg之间。有吸烟嗜好,血糖(空腹)7.1mmol/L。一周前单位组织体检时心电图示:窦性心律,心率80次/分,Ⅱ、Ⅲ、AVF、V1~V5ST段压低,T波倒置,患者否认有胸闷、发憋、气短、胸痛等症。此患者可诊断() A. 心肌梗死 B. 心律失常 C. 心衰 D. 心肌炎 E. 无症状性心肌缺血 参考答案:E