A:白求恩同志是加拿大共产党员,大约五十多岁了。
B:我确实找到了一个泉眼,可惜已经干涸了。
C:牧羊人还活着,而且,身体还很硬朗。
D:杰里既关切又无可奈何地看了看我,然后跟着他们下山了。
已知如图所示,A,B,C是⊙O上三点,∠AOB=120°,C是AB∧的中点,试判断四边形OACB形状,并说明理由.
8____4=12
把5 吨西瓜从西安长安区运往西安城区销售,应选择( )
根据Jack的日程表,完成选择填空。
Mon
4:00-5:00pm
swimming class
Tue
7:00-9:00pm
meet Sam at his house
Wed
10:00-12:00am
Thu
10:00am
go to the airport to meet Mike
Fri
12:00-5:00pm
part-time job
Sat
10:00-10:30am
visit Uncle David at People's Hospital
birthday party for Tom
Sun
12:00-6:00pm