(A) 根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。

小题1:It was raining ____________ (heavy) at this time yesterday.

小题2:They looked at our pictures, but they didn’t show us ___________ (they).

小题3:_________ (silent) in the classroom makes everyone nervous.

小题4:My grandfather is in his _________ (sixty), but he is very crazy about pop music.

腰椎间盘经皮髓核切除术适用于（）

A.膨出型病人

B.突出型病人

C.滑脱型病人

D.合并侧隐窝狭窄者

E.年轻，初次发病病程短者