上海福州30N0011电路需要测试，按业务领导局顺序一般由（）牵头制定测试方案。
A.上海
B.福州
C.上海福州共同
D.集团
参考答案：A
— ______ you ______ fun camping?
— Yes, we _______. [ ]
A. Did; have; had
B. Did; have; did
C. Did; have a; did
D. Had; a; had
水体中大肠菌群的多少时直接反应水体受人畜粪便污染的一项重要指标。（）
