牵牛花清晨开放，这种现象说明生物具有的特征是（ ）
A：对外界刺激作出反应
B：进行呼吸
C：需要营养
D：生长和繁殖
根据句意及首字母提示完成单词
（1）I was b____ in a small town.
（2） —What’s your teacher like? —She is s____ with us.
（3）The students are all from the same p____ school.
（4）We should be____(友好的)to our friends.
（5）There are three hotels in this____(城镇).
—Yes, I am.
