下列有关球后溃疡的描述,正确的有 A.发生在十二指肠球部后壁 B.很少发生出血 C.

题型:多项选择题

问题:

下列有关球后溃疡的描述,正确的有

A.发生在十二指肠球部后壁

B.很少发生出血

C.与幽门螺杆菌感染有关

D.内科治疗效果差

考点:同等学力临床医学同等学力人员申请硕士学位临床医学
题型:多项选择题

若|a|=5,|b|=3,

(1)求a+b的值.

(2)若a<b时,求a-b的值.

题型:多项选择题

短文改错(共10小题;每小题1.5分,满分15分)

此题要求在答题卡上改正所给短文中的错误。请根据上下文对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的单词。

此行错一个词:在错的词下画一横线,在该行右边横线上写出改正后的词。

注意:原行没有错误的不要改。

Are the years you spent at school best years of your life?

Personally,I found most lesson rather uninteresting.We had to

sit at our desks in silence and paid attention to what the teachers

were saying.They were used to write on the blackboard and ask

us difficult questions.We also had to do plenty of homework,and

hand it on time.We had to wear school uniforms and obey lots of     

rules.I left school as soon as I can and started work.I read books

at the public library,and late I decided to attend college.Now

I really enjoy study because I’m growing old and know what I

want it.When I was at school,I was just the wrong age!     

题型:多项选择题

房地产经纪的根本功能是( )。

A.降低房地产成本
B.减少房地产风险
C.加快房地产交易
D.促成房地产交易

题型:多项选择题

价格随产量变动时厂商的收益曲线?

题型:多项选择题

矛尖状成双排列,宽端相对的革兰阳性球菌最可能为()。

A.金黄色葡萄球菌

B.大肠埃希菌

C.铜绿假单胞菌

D.肺炎链球菌

E.草绿色链球菌

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