pú
pī
guà
nāng
胸____
____开
裤____
鼓____
liè
yāo
jié
____趄
____喝
____难
七年级学生小松(13岁)的做法中,属于自我保护意识淡薄的是( )
“种瓜得瓜,种豆得豆”说明____是生物界中的普遍现象;“龙生九子,各有不同”,说明____是生物界的普遍现象.
—— It's said that scientists have ________ a way to deal with the disease(疾病)——Really? That's great!