Daniel with his family ________ on Sunsh

— What did you do last holiday?

— I ___________ in the park. [ ]

A. take pictures

B. takes pictures

C. took pictures

如何探测筛板孔眼是否堵塞？

无明显临床症状的女性淋球菌感染者为（）

A.10%

B.20%

C.40%

D.60%

E.80%

还原糖