下列有关风湿病的描述，错误的是（）。 A.属于变态反应性疾病 B.发病与溶血性链球菌
题型：单项选择题
问题：
下列有关风湿病的描述，错误的是（）。
A.属于变态反应性疾病
B.发病与溶血性链球菌感染有关
C.以心脏病变的后果最为严重
D.风湿性关节炎常导致关节畸形
E.皮下结节和环形红斑有助于临床诊断
题型：单项选择题
Look ! This is a nice 1 .It’s Sunday morning. There 2 many boys and girls in the park. Some of them are singing 3 the tree. Some are 4 in the river. Other 5 are playing games on the hill.
Maria is an American girl. She is 6 to her classmates. She is in the park, too. What is she doing? She is sitting and 7 a book. She 8 _reading very much. Tom is an English boy. He is five. He is too young. He can’t 9 to school. Now he 10 a kite with his father in the park.