根据句意和汉语提示，在空格中填入正确的单词。（每空填一词）

小题1:That lovely baby has a small __________ （鼻子）.

小题2:John looks________（酷的）in the new windbreaker.

小题3:The tall building is made up of millions of（石头）

小题4:Please_________（覆盖）the table with this piece of cloth.

小题5:The restaurant is__________（在。。。。。。后面）the bookstore.

小题6:Be_________（小心）when you cross the road

小题7:We should do something __________（代替）of just talking about it.

帮助蛋白质分子正确折叠或解折叠的是（）。