肝切面图内见边界清楚之结节且无包膜、周边回声强、内部回声略低于周边并呈筛孔状回声()肝切面图内见强回声或低回声结节、边缘不规则、周边有晕环、内部光点分布不均匀()肝切面内呈龟背样回声()肝切面内见包膜完整、壁薄光滑的圆形液暗区()肝切面内见包膜粗糙、壁厚不光滑、内部呈低回声或液暗区之病变回声区，伴局部压痛明显()
A．肝血管瘤
B．肝癌
C．肝囊肿
D．肝脓疡
E．血吸虫病性肝纤维化
参考答案：A,B,E,C,D
请先阅读下面短文，掌握其大意，然后从方框中所给的单词中选出最恰当的10个， 用其适当形式填空，并将答案填到相应位置。
I'm 1 at a middle school now. My school is nice and clean. There 2 thirty students in my class. It's 3 today and it's hot. My classmates and I are playing on the beach. It's a nice place. The water is blue and clear. We are 4 a good time! There are 5 of birds flying over the sea. Many people are 6 in the sea. Some boys are 7 beach ball. Other people are 8 on the beach. One girl is 9 photos, I'm 10 that everyone can enjoy themselves in this heat. Could you tell me something about your life? |