The number of the students in our grade _______about ______,and of them are girls.
A:are, six hundreds, two- thirds
B:is, six hundred, two- third
C:is, six hundred, two thirds
D:are, six hundreds, two third
如图,l∥m,∠1=120°,∠A=55°,则∠ACB的大小是____ .
根据意思写词语
①烟熏和火烤。____
②争论辩驳。____
③精神高度集中。____
④认为好而加以称赞;赞赏。____
①***成立 ②五四爱国运动 ③南昌起义