问题
判断题
炔烃是分子中含有碳碳叁键的开链不饱和烃。
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
炔烃是分子中含有碳碳叁键的开链不饱和烃。
参考答案：对
| 补全对话。根据对话内容，将方框内符合对话情景的句子抄写在对话的空白处，使对话恢复完整。选项中有两项是多余的。 | |
| A: Excuse me. This is the first time for me to visit this city. I want to go to the nearest Xinhua Bookstore. 1 B: It's on the Ping'an Street. A: Ping'an Street! 2 B: No, not far from here. It's only a mile away from here. A: 3 B: Well, you can take the No.4 bus. The bus stop is just over there. 4 A: All right. Thank you. B: 5
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