题目

____ at a college or university in the USA, Chinese and other international students must demonstrate a strong ability in spoken and written English. A. Having been accepted     B. To be accepted   C. Being accepted    D. Accepted 答案：B 解析: 要想被美国的大学接受，外国留学生要有较好的口语和书面语的能力。动词不定式to be accepted在句中作目的状语。将三角形三个顶点的横坐标都乘以2，纵坐标不变，则所得三角形与原三角形的关系是A.将原图向左平移两个单位B.与原点对称C.纵向不变，横向拉长为原来的二倍D.关于y轴对称