A. shares the same view with the scientists B. is uncertain of its occurrence C. rejects it as being ungrounded D. thinks that it will destroy the world soon 参考答案:B 答案解析:[解析] 作者态度题。本题问的是:就温室效应而言,作者______。根据文章第2段第3句“At present we do not know for sure that either of these
第15题: [单项选择]面神经炎() A. 脑脊液白细胞数4×106/L,蛋白质0.40g/L B. 脑脊液白细胞数3×106/L,蛋白质2.20g/L C. 脑脊液白细胞数500×106/L,蛋白质2.80g/L D. 脑脊液白细胞数300×106/L,蛋白质0.35g/L E. 脑脊液白细胞数5×106/L,蛋白质12.0g/L 参考答案:A 答案解析:脑脊液的蛋白-细胞分离,常见于吉兰-巴雷综合征;但蛋白特别高的蛋白-细胞分离则多见于脊髓压迫症造成的椎管阻塞。急性脊髓炎因其多为脱髓鞘,常表现为脑脊液正常或蛋白、细胞轻度升高。面神经炎因病变多在颅外,