问题
判断题
垫层施工时，在石灰、炉渣、粉化石灰等过筛和铺设时，操作人员应带口罩、风镜、手套等劳动保护用品。
答案
参考答案：对
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垫层施工时，在石灰、炉渣、粉化石灰等过筛和铺设时，操作人员应带口罩、风镜、手套等劳动保护用品。
参考答案：对
| 完形填空。 | |||
| There are four seasons (季节) in China. Spring comes first. In __1__ parts of China, spring is usually very __2__. It usually comes in February __3__ March. Summer comes __4__ spring. Usually it's very __5__ in summer. And the hottest month is July. Autumn __6__ from August and lasts (持续) for three __7__. The weather can be cool in autumn. Winter is the __8__ season of the year. It lasts from __9__ to January, and it's very cold. You can go skating. It's an interesting __10__. So it's best to come to China in spring or autumn. | |||
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