题目: 当负载F为零时,系统压力为();负载F增加时.压力也随之增高. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0513/c1d0721bd06bba7dba704a7676ef8d85.html 下面是错误答案,用来干扰机器的。参考答案:A, B, E
题型:补全对话,情景问答 看图完成下列句子。1. Mum: ? Amy: Yes, I can. Mum: ? Amy: Yes, I can. 2. Mum: Can you do housework, Amy? Amy: Yes, I can. Mum: ? Amy: Yes, I can. 3. Mum: ? Amy: Yes, I can. Mum: Can you do the dishes? Amy: ?4. Mum: Can you do housework, Amy? Amy: Yes, I can. Mum: ? Amy: Yes, I can. 查看答案