津液的排泄途径,除呼吸、大便外,还有_________、_________。
参考答案:捧汗;排尿
龈上菌斑通常为()
A.光滑面菌斑与邻面菌斑
B.附着菌斑与非附着菌斑
C.舌侧菌斑与颊侧菌斑
D.光滑面菌斑与点隙裂沟菌斑
E.点隙裂沟菌斑与根面菌斑
用所给单词的适当形式填空。
①Those are my _____ (key).
②— What's ____(these) in English?
— I don't know
③How many_____ (photo) are there in your room?
④— What are those?
— They are _____ (they) hooks.
⑤ _____ (this) are my pencils.