问题
填空题
平板硫化机按传动系统不同分为液压式平板硫化机、机械式平板硫化机、（）平板硫化机。
答案
参考答案：液压机械式
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平板硫化机按传动系统不同分为液压式平板硫化机、机械式平板硫化机、（）平板硫化机。
参考答案：液压机械式
| 任务性阅读。 | |
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| It is everyone's duty to protect the environment. Air pollution and 1 pollution are big problems. We should take daily actions to make the pollution 2 senous. We can control the way we choose to live and act on our neighborhood to reduce pollution. For example, if you don't litter here and there, streets will become cleaner. Also, if you don't spit on the gound 3 , the air will become 4 ; and if you ride to work instead of 5 , there will be less air pollution to protect ourselves. So let's do what we can to help protect our living environment. 任务A：用方框内所给的词的适当形式填空，使文章通顺、合理。 1._____ 2.______ 3.______ 4.______ 5.______ 任务B：根据英文释义及首字母提示，拼写单词。 6. s_____ more than two but fewer than many 7. c_____ to enjoy oneself usually for a special reason |