搜题请搜索小程序“爱下问搜题”
问题 单项选择题

矿山企业必须具有保障安全生产的设施，建立、健全安全管理制度，采取有效措施改善职工劳动条件，加强矿山安全管理工作，保证（）。

A、安全生产

B、社会和谐

C、经济社会

答案

参考答案：A

阅读理解

My name is Nancy. I have a brother and a sister, Paul and Laura. For breakfast, Paul likes eggs and bananas. Laura and I like hamburgers and bananas. For lunch Paul likes salad and hamburgers. We like vegetables and oranges. And for dinner Paul has fish and potatoes, we have French fries and bread(面包). We really like French fries.

请根据短文内容，判断正（T）误（F）。

小题1:Paul likes eggs and apples for breakfast.

小题2:There are three girls in the family.

小题3: Paul, Laura and Nancy all like bananas for breakfast.

小题4:. Paul doesn’t like hamburgers.

小题5: Nancy and Laura like vegetables and oranges for lunch.
查看答案
填空题

步枪子弹重0.2N，枪膛长50cm，火药爆炸对子弹平均推力为5×105N，子弹离开枪口后，空中飞行200米落地，火药推力做功为_____________J 。
查看答案