【单选题】She knows a lot about China as she has been to China ________.
【判断题】淘宝网作为第三方网站,要求所有参与交易方都进行实名认证。
【单选题】听力原文:Susan is fluent in Spanish now that she has been to Mexico. What do we know about Susan?
A.
She learned Spanish in America.
B.
She doesn't know Spanish.
C.
She improved her Spanish in Mexico.
D.
She knew Spanish before going to Mexico.
【单选题】关于合法发球错误的是 ( )。
A.
发球员的球拍击中球的瞬间,整个球应低于发球员的 1.15米
B.
发球开始后,发球员必须连续向前挥拍,直至将球发出
C.
发球员和接发球员,应站在斜对角的发球区内,脚可以触及发球区和接发球区的界线
【简答题】某地为推广先进企业的生产经营管理经验,对效益最好的几个企业进行调查,这种调查是属于( )。
【判断题】发球员和接发球员应站在斜对角的发球区内,脚不触及发球区和接发球区的界线。()
【单选题】某地为推广先进企业的生产经营管理经验,对效益最好的几个企业进行调查,此种调查属于( )。