问题
单项选择题
发生肱骨头骨折后，缺血坏死的主要原因是损伤了（）
A.旋肱后动脉的分支
B.旋肱前动脉的分支
C.腋动脉
D.腋神经
E.肱动脉
答案
参考答案：B
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发生肱骨头骨折后，缺血坏死的主要原因是损伤了（）
A.旋肱后动脉的分支
B.旋肱前动脉的分支
C.腋动脉
D.腋神经
E.肱动脉
参考答案：B
从方框里选择合适的单词(词组)并用其正确形式填空，完成下面的对话。
Diana: Yes, I did. But I felt sorry for the tiger. Eric: So did I. The tiger’s family members 小题1: because of an illness. Diana: And he had to live 小题2: when he was 2 years old. He 小题3: without his parents’ care and love. Eric: The tiger must have gone through a bad time. Diana: Yes. And I just think it is cruel (残忍) of people to make it perform for us. Tigers should live 小题4: . Eric: That’s true. Tigers should live a quiet and小题5: life in forests. Diana: But the fact is, how can a tiger find a suitable home outside zoos? |