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【单选题】
引起呕血的最常见病因是A.
消化性溃疡
B.
胃底静脉破裂
C.
食管贲门黏膜撕裂
D.
急性胃炎
E.
食管炎
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皮皮学刷刷变学霸
举一反三
【单选题】The man proposed to the woman because ______.
A.
he realized he could find no other woman better
B.
he was afraid that the woman might leave him
C.
he was eager to visit Switzerland with the woman
D.
he could finally overcome his fear for marriage
【简答题】曲柄摇杆机构运动有两个重要的特性是: ; 。
【简答题】图示矩形板,重量不计,用六根直杆固定在地面上,各杆重量均不计,杆端均为光滑球铰链。在 A 点作用铅直力 P ,则其中内力为零的杆有 。
【单选题】According to the Semantic Triangle proposed by Ogden and Richards, the ______ refers to the linguistic dements.
A.
form
B.
referent
C.
thought
D.
reference
【单选题】He proposed that we ______ a party for the success of the basketball match.
A.
held
B.
hold
C.
would hold
D.
to hold
【单选题】He proposed that we _______ a meeting , which suggested he ________ in our plan .
A.
held; was interested
B.
hold; was interested
C.
should hold ; be interested
D.
should hold ; interested
【单选题】The man proposed to the woman because ______.
A.
he was eager to visit Switzerland with the woman
B.
he was afraid that the woman might leave him
C.
he realized he could find no other woman better
D.
he could finally overcome his fear for marriage
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