问题
单项选择题
每天用完机器后，必须立即清洁磨边机及扫描器外壳。若放几天后再清洗，切削粉末会固化机壳上，将难以除去。（）。
A、请用苏打水清洗外壳
B、请用酒精清洁外壳
C、请用棉纱沾酸性清洗剂清洁外壳
D、请用软布沾中性清洗剂清洁外壳
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
每天用完机器后，必须立即清洁磨边机及扫描器外壳。若放几天后再清洗，切削粉末会固化机壳上，将难以除去。（）。
A、请用苏打水清洗外壳
B、请用酒精清洁外壳
C、请用棉纱沾酸性清洗剂清洁外壳
D、请用软布沾中性清洗剂清洁外壳
参考答案：D
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B: No, it isn't. It's on the bookcase. A: Oh, OK. How about my books? (2)_____________ B: No, they aren't. They are on the chair. A: Oh. So, where's my pencil case? B: (3)_____________ A: And (4)___________ B: It's under the table. And your baseball is under the chair. A: Oh, OK. (5)____________ B: The keys? They're on the table. A: Thank you very much. |