【单选题】右图漫画告诉我们 ( ) 1虚拟世界的交往,带有很多不确定的因素 2要拒绝网络,避免上当受骗 3虚拟世界不能进行经济往来 4在网络中,要增强自我保护意识
【单选题】I didn't want to forget him. 34 I didn't want him to forget me. 34.
【单选题】用自然语言描述需求规格说明,是典型的( )方法。
【单选题】15-60分钟大强度运动时,体内消耗量最大的是( )。
【单选题】I don't want to be______one to break______news to him.
【单选题】I turned down his invitation to dinner as I didn't want to on him.
【单选题】15-60分钟大强度运动时,体内消耗量最大的是()。