区别癌与肉瘤的主要依据是哪种病理变化()
A.浸润性生长、无包膜
B.异型性明显,有核分裂象
C.通过血道转移
D.组织来源
E.肿瘤大小
参考答案:D
Bananas __________ a special treat.[ ]
A. are
B. is
C. like
选择填空。
______ you interested ______ such a dangerous job? [ ]
A.Do; in
B.Are; in
C.Are; with