小明用爷爷的眼镜正对太阳，把一张纸放在它下方，移动眼镜，在纸上会呈现一个很小很亮的光斑，则爷爷的眼镜是____透镜．该镜还可以使稍远处的窗户在光屏上成____立、缩小的像，生活中的____就是利用这一原理工作的．

北回归线是划分哪两个温度带的界线    (    )

巴丘书事

陈与义

三分书里识巴丘，临老避胡初一游。

晚木声酣洞庭野，晴天影抱岳阳楼。

四年风露侵游子，十月江湖吐乱洲。

未必上流须鲁肃，腐儒空白九分头。

短文判断。根据短文内容，在表中相应方框内写正确。

    My friend is Mike. He is a boy. He is tall. He has strong. He has short hair. He is very active and likes sports.

    Amy is his friend. She is a girl. She is short and thin. She has long hair. She is quiet. She likes painting.

____