全国高等教育自学考试大学英语自学教程(上)标准预测试卷(一)(考试时间150分钟)

摘要

1.Vocabulary and Structure(10 points,1 pointfor each)从卞列各句四个选项中选出一个最佳答案,并在答题纸上将相应的字母涂黑。1.Platinum____in existence.A.it is one of the heaviest materialsB.as one of the heaviest materials thatisC.one of the heaviest materials.it isD.ia one of the heaviest materials2.Cayes and hollow trees are not