乳腺癌的标志（）. A.AFP B.CEA C.PSA D.CA125 E.CA15
题型：单项选择题 B型题
问题：
乳腺癌的标志（）.
A.AFP
B.CEA
C.PSA
D.CA125
E.CA15-3
题型：单项选择题 B型题
| 请选用方框中的词的正确形式完成短文。 | |
He can also __3__ a little Chinese. He usually __4__ a silk shirt. __5__ students like him very much and he __6__ teaching them, too. He __7__ very hard. |
her, his, work, like, teach, speak