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【单选题】
(26-29题共用题干)患者女性,28岁,近半年来月经量过。近1出现头晕乏力、面色苍白,就诊发现:Hb80g/L,RBC3.10×10 12 /L,确诊为缺铁性贫血。此种贫血的发病机制是
A.
蛋白质太少
B.
缺乏维生素B12
C.
缺乏叶酸
D.
缺乏胃酸
E.
贮存铁缺乏
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【判断题】温度计水银球下限应和蒸馏头侧管的上限在同一水平线上。
A.
正确
B.
错误
【单选题】— Four dollars a pair? I think it’s a bit too much. — If you buy three pairs, the price for each will _______ to three fifty.
A.
come down
B.
take down
C.
turn down
D.
break down
【单选题】In a good bookshop __________ 查看材料
A.
nobody notices you
B.
the assistant greets you in a friendly way
C.
you feel as if you were in a music shop
D.
you find yourself satisfied with browsing
【单选题】— Do you like this coat, madam? — Well, it’s a bit too large. Do you have _____ one?
A.
the smaller
B.
a smaller
C.
a smallest
D.
a small
【单选题】有两个调定压力分别为5MPa和10MPa的溢流阀串联在液压泵的出口,泵的出口压力为( )。
A.
5Mpa
B.
10MPa
C.
15Mpa
D.
20MPa
【单选题】According to the second paragraph, in a good bookshop ______.
A.
nobody takes any notice of you
B.
the assistant greets you in a friendly way
C.
you may feel satisfied
D.
you can hear beautiful music
【单选题】According to the text, in a good bookshop _____.
A.
nobody takes any notice of you.
B.
the assistant greets you in a friendly way.
C.
your heart is contented.
D.
you feel that you are in a music shop.
【单选题】有两个调定压力分别为5MPa和10MPa的溢流阀串联在液压泵的出口,泵的出口压力为()
A.
5MPa
B.
10MPa
C.
15Mpa
D.
20Mpa
【单选题】—What a fine day today! —Yes,but it’s a bit ________ than yesterday.
A.
hot
B.
hotter
C.
so hot
D.
hottest
【单选题】有两个调定压力分别为5MPa和10MPa的溢流阀并联在液压泵的出口,泵的出口压力为( )。
A.
5MPa
B.
10MPa
C.
15MPa
D.
20MPa
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