问题
选择题
不能用来萃取碘水中碘的物质是（ ）
A．汽油
B．苯（不溶于水）
C．四氯化碳
D．酒精
答案
答案：D
搜题请搜索小程序“爱下问搜题”
不能用来萃取碘水中碘的物质是（ ）
A．汽油
B．苯（不溶于水）
C．四氯化碳
D．酒精
答案：D
| Read, choose and complete. 根据对话内容，选择合适的选项，将对话补充完整。 | |
—Hi, Jenny. What day is today? — 1 Oh, are you wearing new pants? —Yes. 2 —I like your pants. They're red. 3 Do you like red, too? —Yes, but my favourite colour is purple. What's this in your hand (在你手里)? — 4 . Look, it's 5 —Ha ha ha... 6 —No, this is Danny's hat. 1. 2. 3. 4. 5. 6. |