国家用法律形式规定的，对一定年龄儿童免费实施的一定年限的学校教育，称为______。
参考答案：义务教育
用特殊疑问词填空。
1. — _____ did he go?
—By plane.
2. — _____did you live at the time?
—At the No.3 Beijing Road.
3. — _____is your telephone number?
—It's 3065431.
4. —_____was it yesterday?
—It was Tuesday.
5. —_____students are there in the classroom?
—About fifty.
紫癜（）
A．皮下出血直径＜2mm
B．皮下出血直径3～5cm
C．皮下出血直径＞5cm
D．片状出血伴有皮肤显著隆起
E．片状出血伴有皮下握雪感
