题目

61. He claimed that his parents        (abandon) him already. 62. Our aim was that these meetings be unstructured and        (formal). 63. During the journey, Guilin’s beautiful scenery gave a deep        (impress) on Emma. 64. There is a ________(bore) expression on her face，for she doesn't like rock music. 65. A        (understand) is a failure to understand something properly, for example a situation or a person’s remarks. 66. Joanna let go of the deer，and it soon ________ (disappear) in the trees. 67.        (science) research is w二次函数y=（x-1）2-2图象的对称轴是（　　）A．直线x=-1B．直线x=1C．直线x=-2D．直线x=2