【单选题】He found ______ very helpful to memorize the words of some popular English songs.
【单选题】听力原文:He hung up on me. What did he do?
B.
He picked up the phone.
C.
He put the receiver down.
【单选题】社会感知计算是指通过人类生活空间日益部署的大规模、多种类传感设备,实时感知、识别社会个体的行为,分析挖掘群体社会交互特征和规律,辅助个体社会行为,支持礼群的互动、沟通和协作。根据上述定义,下列属于社会感知计算的是:
A.
某婚恋网站利用手机定位功能提供本地化约会服务
B.
某地气象台利用手机短信向市民发布台风预警信息
C.
某厂商借助计算机分析产品销售情况了解顾客偏好
D.
市民可以用发短信的方式向当地媒体提供新闻线索
【简答题】My friend, David Smith, had pet birds. One day he called me and told me he would be 25 for a week. He asked me to feed the birds for him. Unfortunately, I did not 26 to feed the birds until the night ...
【简答题】A.He knows the woman very well. B.He is a good driver. C.He is a helpful person. D.His home is miles away.
【简答题】A.He is a nice guy. B.He has pretty ears. C.He is very helpful. D.He is very talkative.
【单选题】He told me to rest for a while. He told me to rest____.
【单选题】He ___ very helpful.
【单选题】We all like Wang Ling because he is always ______ us , and he is very helpful .