您要查找的是不是：
- Are these batteries leak-proof? 这些电池能防止漏电吗?
- These batteries are supposed to last for a year. 这些电池应该能用一年。
- Please make sure you use leak proof packing. 请务必用防漏包装。
- Are these Mary's pens? No, they are not hers. 这些是玛丽的笔吗？不，它们不是她的。
- Are these lettuces home-grown or did you buy them in the market? 这些生菜是自家种的呢，还是你在市场上买的？
- Are these stockings machine-made? 这些袜子是机器织的吗?
- Are these prices wholesale or retail? 这些价格是批发价还是零售价?
- These batteries may be more correctly referred to as Lithium Ion Polymer batteries. 锂聚合物电池也使用了胶体电解质电导增加。
- How much are these houses going for nowadays? 现在这些房子的售价是多少？
- Are these made in this workshop? 这些都是在这个车间制造的吗？
- What are these two cassette decks for? 这两个卡式录音座是做什么用的?
- Whose woollen sweater are these ? 这些毛衣是谁的?
- The 775QT Series features a modular design which facilitates maintenance and assembly by retaining the spring load. Check modules are threaded into the valve adapter for leak proof operation. 775QT系列特点是模块化结构，通过保留弹簧负载简化维护和组装。止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
- Are these berries edible, or are they poisonous? 这些草莓可以吃，还是有毒?
- Could you tell me how much are these in US dollar? 您能告诉我这些用美元计算是多少钱吗？
- What are these? These are books. 这些是什么？这些是书。
- Who are these coming to the sacrifice? 这些人是谁呵，都去赶祭祀?
- Are these instructions clear enough? 这些说明够清楚了吗?
- Are these newspaper reports true? 报纸上这些报道属实吗?
- Are these clothes for everyday wear? 这是日常穿的衣服吗?
