B超诊断甲状腺瘤的依据除内部回声光点均匀外,还具备有____。
参考答案:完整的纤维包膜
Women have long been neglected, or else they_____a lot more achievements to the country in all fields.
A.will make
B.would have made
C.would make
D.had made
学习准备是指学生原有的知识水平或心理发展水平对新的学习的()。
A.促进
B.妨碍
C.适应性
D.创造性