致病菌进入胸腔的途径包括()
A.化脓灶直接侵入
B.经淋巴途径
C.血源性播散
D.医源性感染
参考答案:A, B, C, D
致病菌进入胸腔的途径包括()
A.化脓灶直接侵入
B.经淋巴途径
C.血源性播散
D.医源性感染
参考答案:A, B, C, D
句型转换。 |
1. I don't think his answer is right. (改为肯定句) I _____ his answer _____ right. 2. Tom often reads famous books about history. (改为一般疑问句) _____ Tom often _____ famous books about history? 3. Jack is flying a kite right now.(对画线部分提问) _____ is Jack _____ right now? 4. Jane does her homework every day.(改为否定句) Jane _____ _____ her homework every day. 5. It's sunny today.(对画线部分提问) _____ is the _____ today? |