食道静脉曲张X线表现，下列哪项是错误的（）。
食道静脉曲张X线表现，下列哪项是错误的？
A.食管下段粘膜皱襞增粗、稍迂曲，或略呈凹凸不平
B.管腔边缘不平整，多发小凹陷或呈锯齿状
C.食管中下段粘膜皱襞纵行粗大结节状影，圆形或环状透光区
D.食管中段粘膜皱襞中断、消失，钡剂通过缓慢
E.食管中下段略宽，呈串珠状、蚯蚓状、囊状充盈缺损
参考答案：D
| 用所给单词和短语的正确形式填空。 | |
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| 1. Great changes have ________ in our hometown sine 1986. 2. ______ you can walk to distant part of the office or factory to check the information. 3. The red colour on the flag ________ blood. 4. Several years ago, those poor houses was ________ and the central park was built. 5. Whenever my friend was ______, I would do whatever I could to help. 6. The powder ________ fish, blood and bones. 7. I felt unhappy whenever I was ________. 8. He talks a lot, but ________, he does little. 9. China _______ the Great Wall. 10. The villagers used to live in the ______, but now they live in the high buildings happily. |