问题
问答题 简答题
水银温度计在什么情况下禁止使用?
答案
参考答案:
1、毛细管内水银柱有断裂现象,2、感温泡有裂痕,3、刻度不清,涂料脱落,4、没有校正表。
水银温度计在什么情况下禁止使用?
参考答案:
1、毛细管内水银柱有断裂现象,2、感温泡有裂痕,3、刻度不清,涂料脱落,4、没有校正表。
选词填空。 | |
B: No, but (但是) I think it's 2. _____ your pencil case. A: No, it 3._____ here. B: Look, 4._____ in the pencil case? A: Let (让)me 5._____. Ah,it is hlue. It is Bob's. B: And what color is yours? A: It's red. B: Is the 6._____ under (在……下面) the book yours? A: Yes,it is B: You must (必须) look after (照料) it. A: 7._____ you. |