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【单选题】
女性,41岁,吞咽困难3年,有时进流质困难,伴呕吐,胸骨后疼痛。X线检查:食管吞钡下端呈锥状狭窄,上端扩大;患者做跳跃动作时,钡剂呈间歇性以粗细不等的圆柱向胃内喷流,狭窄部有纵行规则的粘膜皱襞。首先应考虑为A.
食管癌
B.
食管憩室
C.
贲门癌
D.
贲门失弛缓症
E.
食管平滑肌瘤
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【简答题】What does the speaker mainly talk about? ______ in the U. S.
【单选题】Let’s discuss the problem after school.
A.
talk to
B.
talk about
C.
know about
D.
think about
【简答题】仔细阅读2：'There's an old saying in the space world: s talk about technology, professionals talk about insurance.'"There's an old saying in the space world: s talk about technology, professi...
【单选题】— What’s the main purpose of tonight’s meeting? — We are going to talk about the problem _______ at the last meeting.
A.
having discussed
B.
to be discussed
C.
being discussed
D.
discussed
【单选题】$a="happy"; $b=10; echo --$b; echo ""; echo $b; echo ""; echo "gaga".$a;
A.
9 9 gagahappy
B.
10 9 gagahappy
C.
10 9 gagahappy
D.
10 9 gagahappy
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