异型性指肿瘤组织在空间排列方式上(包括细胞的极向、排列的结构及其与间质的关系等方面)与其来源的正常组织的差异
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0与0的最大公因数只有一个是0。
A. 对
B. 错
急性胰腺炎在我国最常见的诱因是
A. 胆道疾病
B. 饮食因素
C. 精神因素
D. 感染
E. 创伤
I need to make an English speech in front of the audience. But I feelabout my spoken English ability.
A. insecure
B. uncertain
C. security
D. secure
E. insecurity
Just like a movie! The robot will emerge,do some damage.
A. completely
B. drastically
C. sufficiently
D. dramatically