问题
单项选择题
女，40岁08年前曾患葡萄胎， * * 不规则流血2个月，诊刮病理诊断为：滋养细胞增生活跃，未见绒毛结构。最可能的诊断为（）
A.葡萄胎
B.侵葡
C.绒癌
D.子宫内膜癌
E.功血
答案
参考答案：C
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女，40岁08年前曾患葡萄胎， * * 不规则流血2个月，诊刮病理诊断为：滋养细胞增生活跃，未见绒毛结构。最可能的诊断为（）
A.葡萄胎
B.侵葡
C.绒癌
D.子宫内膜癌
E.功血
参考答案：C
| 阅读理解。 | |||
Take a look at our library! Our library is open to everyone and the library card is free!
| |||
| 1. Which of the following can only be enjoyed in the reading room? | |||
[ ] | |||
| A. Newspapers. B. Music videos C. CDs. D. Language cassettes. | |||
| 2. You should pay _______ if you keep two videos for two weeks. | |||
[ ] | |||
| A. 1 dollars B. 2 dollars C. 4 dollars D. nothing. | |||
| 3. We can borrow _______ CD (s) one time. | |||
[ ] | |||
| A. five B. one C. three D. as many as you can | |||
| 4. In the library we can _______. | |||
[ ] | |||
| A. borrow the newest magazines B. watch our favourite video films C. listen to CDs of pop music D. find books in 42 main languages in the world. | |||
| 5. Which of the following is NOT true? | |||
[ ] | |||
| A. You can pay nothing for the library card. B. You can borrow as many videos as you like one time. C. There are rooms for you to enjoy TV plays in the library. D. You can borrow five books at one time and keep them for three weeks. |
2CO(g) ΔH＜0，达到平衡状态，现进行如下操作：①升高反应体系的温度；②增加反应物C的用量；③缩小反应体系的体积：④减少体系中CO的量。上述措施中一定能使反应的正反应速率显著加快的是