某学校的男运动员比女运动员的2倍多4人,男运动员与女运动员的人数比是5:2,求男

题型:选择题

问题:

某学校的男运动员比女运动员的2倍多4人,男运动员与女运动员的人数比是5:2,求男、女运动员各多少人?若设男运动员x人,女运动员y人,则可得方程组为(  )
A.
x=2y+4
5x=2y
B.
x=2y+4
2x=5y
C.
x=2y-4
5x=2y
D.
x=2y-4
2x=5y
考点:二元一次方程组的应用
题型:选择题

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.

The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.

Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.

My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.

(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.

We’re not (20) , but I guess we must look quite like each other.

7().

A.other

B.another

C.the other

D.one other

题型:选择题

某医院一产妇急需剖腹产,主治医师几次联系要求手术,手术室护士均以手术台没有空而被一再推迟,由于等候时间太长,导致胎死宫内。

护理对象的什么权益被侵犯()

A.生命健康权

B.求偿权

C.自主权

D.知情权

E.人身自由权

题型:选择题

牙体缺损修复后出现自发痛最常见的原因是()。

A.牙髓充血发展为牙髓炎

B.根管侧壁穿孔引起的急性根尖周炎

C.创伤造成的急性牙周炎

D.继发龋引起的牙髓炎

E.邻牙发生牙髓炎

题型:选择题

下列选项中,( )负责对全国注册建造师实行统一的监督管理,国务院各专业部门按照职责分工,负责对本专业注册建造师监督管理。

A.人力资源部
B.住房和城乡建设部
C.社会保障部
D.行政管理部门

题型:选择题

患者女性,40岁。低热、盗汗、腹胀1个月就诊。查体:全腹轻压痛,肝脾未及,移动性浊音(+),腹水为黄色渗出液,腺苷脱氨酶(ADA)80U。

关于该病的叙述错误的是

A.可长期低热或中度发热
B.腹壁柔韧感是特异性体征
C.腹水伴肠粘连时可无移动性浊音
D.肿块易于推动,境界较清楚
E.肿块多位于脐周

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