【简答题】If we had had his telephone number, we (call) ______ him.
【单选题】We had no way to measure the exact distance we had traveled, but we thought it was ______ ten miles.
【简答题】变应性鼻炎发作时,喷嚏连续发作的原因是()。|变应性鼻炎发作时,鼻涕增多的原因是()。|变应性鼻炎发作时,鼻黏膜呈浅蓝色,出现鼻塞的原因是()。|变应性鼻炎发作时,鼻黏膜水肿的原因是()。|变应性鼻炎发作时,鼻黏膜苍白的原因是()。A. 鼻腔阻力血管收缩,鼻涕增多B. 鼻腔容量血管扩张,黏膜水肿C. 毛细血管通透性增高D. 感觉神经敏感性增强E. 副交感神经活性增高,腺体增生