下列做法中，你认为有利于改善我市环境质量的是
使用乙醇汽油 ②大量燃放烟花、爆竹 ③就地焚烧植物秸杆和垃圾
④ 使用太阳能热水器 ⑤向护城河里排放污水 ⑥植树种花，搞好绿化
| A．只有①④⑥ | B．只有⑤ | C．只有②③⑤ | D．只有③⑤ |
相关试题
--- Can you tell me ______ on the Internet? --- OK, mum.
| A． | how can I use QQ | B． | where can I use QQ |
| C． | how I can use QQ | D． | whether can I use QQ |
Thousands of houses _______ by the floods in Guangxi last month.
| A． | destroy | B． | destroyed | C． | have destroyed | D． | were destroyed |
more, and you'll improve your spoken English.
| A． | Speak | B． | Speaks | C． | Speaking | D． | To speak |
--- I've just got a postcard from my pen friend.
--- Let me have a look
. Wow.nice card!
| A． | What | B． | What a | C． | How | D． | Why |
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