A. assume a symbolic nature B. help us to master physical skill C. represent some difficulties we have in life D. remind us of what we forget in waking life 参考答案:A 答案解析:[解析] 事实细节题。第一段第五句解释了例子中瓶子和瓶盖的象征含义,由此可以推断出我们的梦通常是具有象征性的。
A. Rivers run higher than usual. B. Rivers have run out of water. C. Rivers cause little damage. D. Every year rivers overflow. 参考答案:A 答案解析:[听力原文] 21-22 At least seven people were killed in seven floods judged to be the worst to hit
第28题: [单项选择]下列哪项不是视网膜母细胞瘤的特点 A. 是儿童眼球内最常见的恶性肿瘤 B. 肿瘤较大可致眼球增大、突出 C. CT上,肿瘤密度较低 D. 肿瘤未钙化区增强明显 E. 肿瘤好发于眼球的后半部,伴有斑块状或斑点状钙化具有特征。 参考答案:C 答案解析:[解析] 视网膜母细胞瘤CT平扫表现为较高密度软组织肿块,其内可见斑点、斑片或块状钙化。