其最佳的无创诊断方法是
A．膝关节CTB．膝关节X片C．膝关节切开探查术D．膝关节MRI检查E．膝关节穿刺抽液检查
参考答案：D
根据句意及首字母完成单词 。
1. I want to ask you about the places to v_____ in China.
2. She is going bike r_____ this weekend with her best friend.
3. China is f_____ for the Great Wall.
4. Don't f_____ to finish your homework on time. Remember that.
5. What's your p_____ for your summer holiday?
联结心主血脉和肺司呼吸的中心环节是（）
A.元气
B.宗气
C.心气
D.肺气
E.肝气
