把钩工“五不挂”指的是什么?

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问题:

把钩工“五不挂”指的是什么?

考点:煤矿安全生产知识竞赛煤矿机电运输煤矿机电运输题库
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男性,45岁。5年过敏性鼻炎史,近1年反复发作支气管哮喘,伴周身皮肤紫癜,近半年自觉双足疼痛,麻木。血常规示:嗜酸性粒细胞增多,无贫血,血小板正常。尿常规示蛋白++。

下列抗体阳性有助于确诊的是()

A.ANA

B.P-ANCA

C.C-ANCA

D.AECA

E.抗主动脉抗体

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用括号内所给词的适当形式填空

1. He can sing English songs              (wonderful).

2. Notre Dame Cathedral is one of the most famous             (church).

3. We consider             (discuss) the questions at the meeting.

4. As we know, the train stations are very             (live) places.

5. The football match on TV last night was very            (thrill).

6. During the holidays, many mountains are              (tour).

7. Here are some             (find) of this meeting we discussed.

8. All of us think this is an             (education) book.

9. We'd like to go somewhere              (relax).

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为了测定能使带火星的木条复燃时氧气的最低含量是多少,课外活动小组的同学们进行了实验探究。他们设计的实验方案是先将氧气和空气按不同的体积比收集在集气瓶里。收集气体的装置如图。收集气体的方法是:在100 mL集气瓶里装满水,塞紧胶塞并关闭活塞b,打开活塞a通入氧气,把瓶里的水排入量筒,当量筒内的水达到设定的体积后立即关闭活塞a,然后打开活塞b通入空气,把瓶里的水全部排入量筒。若要收集一瓶含氧气的体积分数约为60%的气体,则停止通入氧气时量筒内水的体积约为(提示:空气中也有氧气)

[ ]

A.75 mL

B.60 mL

C.40 mL

D.25 mL

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根据汉语提示,完成下列句子:

1. The supermarket is _________ (在……对过) the post office.

2. Is there a restaurant _________ _________ _________ (在附近)?

3. Can you _________ _________(等候) me in front of the classroom?

4. The children are _________ _________ _________ _________ (玩得高兴) in the park.

5. We call see many people _________ _________ (在度假) in our city.

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夜间驾驶机动车遇到交叉路口黄灯闪烁时,可加速通过。

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