读图，回答1～2题。 1．找出图中经纬度为（23.5°S，60°E）的地点是

I went to the classroom to close the door yesterday. But as soon as I was _______ to the classroom, I found it already _______.

A．close; closed

B．closely; closed

C．closed; closely

D．close; close

附着水平的距离，是指（）。

A.龈缘至釉牙骨质界

B.釉牙骨质界至袋底

C.龈缘至袋底

D.袋深度+龈缘至釉牙骨质界

牙本质

中医治疗热毒壅盛型急性盆腔炎的首选方剂是

A．五味消毒饮合大黄牡丹皮汤

B．仙方活命饮

C．犀角地黄汤

D．清营汤

E．龙胆泻肝汤

电机车进入弯道、道岔、有行人岔口处要提前（）米采取鸣笛安全措施。

A、20

B、30

C、50