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[00:00.00]Unit 3 [00:12.83]Is that dog yours? [00:16.20]Part 1.Ask and answer [00:21.68]1.Whose toy car is this?Is it yours? [00:29.78]No,it isn't. [00:32.68]Maybe it's Sam's. [00:36.57]2.Tom,is that dog yours?No,it isn't. [00:45.27]Then whose dog is
Can we help the environment by being green? We all know that humans are damaging the environment, but what can we do about it? Some people are trying to do their bit to try to be more environmentally friendly . Local councils in Britain encourage ce
589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮;行星齿轮 epicyclicgear 593 、 固定夹;台夹 benchholdfast 594 、 固定
Single's Day itself developed here in China in the mid-1990's as a sort of an anti-Valentine's Day, with young single people using November 11th, or 1-1-1-1 on a digital calendar, to treat themselves to gifts. But in 2009, Alibaba took the first step
1、我要早上8:00设定电话叫醒。 I would like to have a morning call at 8:00 in the morning. 2、我要食物送到房间的服务。 I'd like to order room service, please.? 3、我要单人房。 I'd like a single room. 4、我要两张床