问题
单项选择题
结直肠癌诊治的最佳肿瘤标志物是（）.
A.CEA
B.CA50
C.CA19-9
D.CA72-4
E.CA153
答案
参考答案：C
解析：CA19-9是结直肠癌诊治的最佳肿瘤标志物。
搜题请搜索小程序“爱下问搜题”
结直肠癌诊治的最佳肿瘤标志物是（）.
A.CEA
B.CA50
C.CA19-9
D.CA72-4
E.CA153
参考答案：C
解析：CA19-9是结直肠癌诊治的最佳肿瘤标志物。
| 从方框中选择适当的短语，用其正确的形式填空。 | |
2. The idea seems fine, but we need _____ to _____ it in practice. 3. the satellites,we are _____ learning more and more about the universe. 4. These skirts don't fit me. They are _____ too long _____ too short. 5. I think there is a train at 7:30.But you'd better _____. 6. I must leave home _____, or I'll be late for school. 7. He _____ smoke a lot, but now he doesn't. 8. The future _____ our young people. 9. People in china _____ Fei junlong and Nie haisheng's successful flight into space. 10. Speaking is _____ important _____ reading in leaning English. |