A:是法律要求的,我们必须参与
B:能有效地保障留守儿童受教育的权利
C:体现了对留守儿童的社会保护
D:是对留守儿童的谅解与宽容,理解与关爱
用所给单词填空
(1)Sometimes we ____ food at home. (2)I ____ drinking milk. (3)We often ____ CCTV news at 7:00 in the evening. (4)I ____ the Internet once a day.(5)The results for “read English books”____ fun.(6)How often do you ____ to the English corner? (7)Everyone will____ you if you need any help.(8)The sun ____ once a day. (9)Walking can ____ you in good health.(10)I____ nine hours every night.
—________
长方体的主视图与左视图如图所示(单位:cm),则其俯视图的面积是( )