《工程创优施工实施细则》由施工项目总工批准。
参考答案：错
He ______ lunch at school every day.[ ]
A. doesn't
B. doesn't have
C. doesn't has
慢性骨髓炎又称附骨疽，是整个骨组织的慢性化脓性疾病，常常继发于（）。
A.急性化脓性骨髓炎
B.感染
C.外伤
D.脏器损伤
E.其他
