问题
单项选择题
下述哪一项是食管癌的典型症状（）.
A.饭后呕吐
B.食物反流
C.胸骨后疼痛
D.吞咽困难
E.消瘦
答案
参考答案：D
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下述哪一项是食管癌的典型症状（）.
A.饭后呕吐
B.食物反流
C.胸骨后疼痛
D.吞咽困难
E.消瘦
参考答案：D
| 综合填空：用方框内所给词的适当形式填空，使短文意思完整、正确。 | |
love to do 1______. Since the days of long ago,adults and children have called their friends together to spend hours, even days 2______ games. Sports help people to live 3______ and keep healthy. When they are playing games,people 4______ a lot. This is good for their 5______. Having fun with their friends makes them happy. Many people enjoy watching others play. They 6______ tickets to see ball games. Sometimes they also meet to match the bicycle races 7______ an ice-skating show. What are your 8______ sports? Is the weather 9______ where you live? Then swimming is probably one of your sports. Children in China love to swim. There are wonderful beaches and there are beautiful rivers and lakes 10______ the country. The weather is also good for swimming. |