题目

From the window of my room, I could see tall cotton-rose hibiscus（木棉树）. In spring, when green leaves were half ________ in mist, the tree looked very attractive, ________ with red flowers. This inspiring neighbor of mine often ________ my mind working. I regarded it as my best friend ________.However, when I opened the window one morning, to my amazement, the tree was almost ________ beyond recognition as a result of the storm ________ the night before. I was seized with a sudden sorrow at the thought “all the flowers are to fall”. I could not help ________ with emotion: the cour下列各组物质反应后，再滴入KSCN溶液，显红色的是A．过量铁和稀盐酸B．FeCl2溶液和氯水C．过量铁和CuCl2溶液D．过量铁和FeCl3溶液