问题
单项选择题
关于卵巢囊性畸胎瘤的MRI基本特征不正确的是（）
A.是卵巢常见的良性肿瘤
B.液性脂肪部分呈短T1长T2信号，与皮下脂肪类似
C.瘤内或瘤周可出现化学位移伪影
D.肿瘤内部结构特征主要有碎屑和壁突
E.肿瘤常出血和坏死
答案
参考答案：E
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关于卵巢囊性畸胎瘤的MRI基本特征不正确的是（）
A.是卵巢常见的良性肿瘤
B.液性脂肪部分呈短T1长T2信号，与皮下脂肪类似
C.瘤内或瘤周可出现化学位移伪影
D.肿瘤内部结构特征主要有碎屑和壁突
E.肿瘤常出血和坏死
参考答案：E
| 阅读理解。 | |
Please answer the questions about the prices of the two hotels. (注:&=英镑)
| |
| 1.The Sheraton Hotel is ______ than the Gateway Hotel | |
[ ] | |
| A. cheaper B. dearer C. bigger D. cleaner | |
| 2. I want to stay in the Sheraton for two weeks in August. I need about ______. | |
[ ] |
| A. &750 B. &515 C. &695 D. &573 |
| 3. The two hotels are open for ______ months of the year. |
[ ] |
| A. nine B. ten C. eleven D. twelve |
| 4. It is cheaper to stay in the Gateway in May than it is in ______. |
[ ] |
| A. November B. March C. October D. July |
| 5. From October to December it is dearer to stay in the Sheraton than from _____ to _____. |
[ ] |
| A. June; August B. January; March C. May; July D. July; September |