A yes/no question with yes/no answers.

是/否问题搭配是/否回答。

Are machine guards fitted ? YES NO.

机器有无安全防护装置? 是否.

Are they in good condition? YES NO.

这些装置运作是否良好? 是否.

Is the factory well heated ? YES NO.

工厂是否有良好的通风及空调? 是否.

Is the factory well cooled ? YES NO.

工厂是否有取暖设备? 是否.

Are your symptoms worse at night? Yes No.

你的症状在夜间是否会更严重？

To review Yes\No questions Wh-questions.

复习一般疑问句和特殊疑问句。

Have you ever had an amputation? Yes No.

你被进行过截肢手术吗？

Please answer the following Yes/No questionnaire.

请回答下面的判断题。

Are there local laws regarding the environment? YES NO.

当地是否有有关环境方面的法律? 是否.