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【单选题】
男孩，11岁。平素"健康"。来诊前玩耍中突然呕吐，开始为胃内容物，后为大量咖啡样物，连续呕吐3次，量约500ml，急来医院。病后无明显腹痛，未发热，但自觉头晕。家族史中其母亲及外祖父患有"十二指肠球溃疡"。体格检查：体温36.1℃，脉搏112次/分，血压14.5/7.0kPa（109/53mmHg）。发育良好，面色及口唇、甲床苍白，皮肤未见出血点。无黄疸，无蜘蛛痣。心肺正常，腹平软，剑突下轻压痛，无包块。肝、脾不大。四肢温暖，脉搏有力。最可能的诊断（）
A.
消化性溃疡合并出血
B.
食管胃底静脉曲张破裂出血
C.
腹型过敏性紫癜出血
D.
梅克尔憩室并消化道出血
E.
支气管扩张并大量咯血
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参考答案：
举一反三
【单选题】You ought to know______ to go out without a overcoat on such a cold day.
A.
had better
B.
better than
C.
better
D.
better of
查看完整题目与答案
【单选题】You ought to know ______ than to go out without an overcoat on such a cold day.
A.
better
B.
faster
C.
quicker
D.
worse
查看完整题目与答案
【简答题】The construction lasted for about 89 years from 1703 to 1792 by Emperor Kangxi and Emperor Qianlong of Qing dynasty.
查看完整题目与答案
【单选题】You ought to know ___ to go out without an overcoat on such a cold day.
A.
rather than
B.
more than
C.
better than
D.
other than
查看完整题目与答案
【单选题】There are a few things you ought to know before you ______ a hotel room for your honeymoon.
A.
borrow
B.
rent
C.
reserve
D.
lend
查看完整题目与答案
【单选题】You ought to know better than carrying so much money with you.(改错题)
A.
ought to
B.
better
C.
carrying
D.
with
查看完整题目与答案
【单选题】You ought to know better than__________ yourself in unnecessary expense．A.to involve###SX
A.
You ought to know better than__________ yourself in unnecessary expense． A.to involve
B.
involve
C.
involving
D.
involved
查看完整题目与答案
【单选题】砂浆强度等级以边长7.07cm立方体试块按标准条件养护多少天的抗压强 度确定?( )
A.
7天
B.
10天
C.
15天
D.
28天
查看完整题目与答案
【单选题】It’s not _______ to judge a man only by his look．You ought to know more about him．
A.
stubborn
B.
grateful
C.
reliable
D.
straight
查看完整题目与答案
【单选题】已知某含源一端口网络中的电源发出的功率为50W，负载所吸收的功率为20W ，那么该网络的传输效率为（ ） 。
A.
40%；
B.
60%；
C.
25%；
D.
以上答案都不对
查看完整题目与答案
相关题目：
【单选题】You ought to know______ to go out without a overcoat on such a cold day.
A.
had better
B.
better than
C.
better
D.
better of
查看完整题目与答案
【单选题】You ought to know ______ than to go out without an overcoat on such a cold day.
A.
better
B.
faster
C.
quicker
D.
worse
查看完整题目与答案
【简答题】The construction lasted for about 89 years from 1703 to 1792 by Emperor Kangxi and Emperor Qianlong of Qing dynasty.
查看完整题目与答案
【单选题】You ought to know ___ to go out without an overcoat on such a cold day.
A.
rather than
B.
more than
C.
better than
D.
other than
查看完整题目与答案
【单选题】There are a few things you ought to know before you ______ a hotel room for your honeymoon.
A.
borrow
B.
rent
C.
reserve
D.
lend
查看完整题目与答案
【单选题】You ought to know better than carrying so much money with you.(改错题)
A.
ought to
B.
better
C.
carrying
D.
with
查看完整题目与答案
【单选题】You ought to know better than__________ yourself in unnecessary expense．A.to involve###SX
A.
You ought to know better than__________ yourself in unnecessary expense． A.to involve
B.
involve
C.
involving
D.
involved
查看完整题目与答案
【单选题】砂浆强度等级以边长7.07cm立方体试块按标准条件养护多少天的抗压强 度确定?( )
A.
7天
B.
10天
C.
15天
D.
28天
查看完整题目与答案
【单选题】It’s not _______ to judge a man only by his look．You ought to know more about him．
A.
stubborn
B.
grateful
C.
reliable
D.
straight
查看完整题目与答案
【单选题】已知某含源一端口网络中的电源发出的功率为50W，负载所吸收的功率为20W ，那么该网络的传输效率为（ ） 。
A.
40%；
B.
60%；
C.
25%；
D.
以上答案都不对
查看完整题目与答案
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