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【多选题】
男性患者，36岁。以"上腹胀痛，呕吐半月余，加重1"为主诉入院。患者半个月来因饮食不当出现上腹饱胀、隐痛，餐后加重，恶心、呕吐后症状缓解。呕吐量较大，每次800ml以上。呕吐物为带酸臭味的隔夜食，不含胆汁。近1进食减少，乏力明显，出现手足抽搐，尿量减少，约800ml/d，4～5天排干便一次。消瘦。既往：否认糖尿病、肝炎、腹部手术史。查体：神志清，脱水貌，睑结膜略苍白，巩膜无，心肺查体无异常，上腹部可见胃型、蠕动波，上腹部轻压痛，无反跳痛及肌紧张。肝脾未触及。振水音阳性，肠鸣音3次／分。患者幽门螺杆菌阳性，幽门螺杆菌引起消化性溃疡的机制是（）。A.
尿素酶直接或间接损害胃黏膜
B.
分泌空泡毒素蛋白A
C.
抑制环氧化酶
D.
菌体胞壁诱导抗原抗体反应
E.
减少胃黏膜血供
F.
分泌细胞毒素相关基因蛋白
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A.
to miss
B.
having missed
C.
missing
D.
to have missed
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A.
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B.
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B.
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A.
having not
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not having
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not to have
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A.
it doesn’t matter.
B.
no problem.
C.
that’s right.
D.
thank you.
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A.
having kept
B.
being kept
C.
having being kept
D.
keeping
【单选题】Any student______ in swimming can apply for membership.
A.
having a keen interest
B.
with a keen interesting
C.
who is keenly interesting
D.
has a keen interest
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