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【多选题】
患者男性，22岁，呼吸困难，心前区不适，体征有奇脉，颈静脉怒张。听诊心动过速，心音遥远，临床怀疑为大量心包积液。其超声心动图表现有（）。A.
心包脏、壁层增厚
B.
心包脏、壁层粘连、钙化
C.
心包内少许液性暗区
D.
心包内大片液性暗区
E.
心室舒张受限
F.
室间隔运动呈"橡皮筋"样抖动
G.
心房内径可有增大
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举一反三
【简答题】Psycholinguistics is concerned primarily with investigating the psychological______of linguistic structures.
【简答题】Researchers at the University of Colorado are investigating a series of indicators that could help themselves to predict earthquakes.
【单选题】关于高频谐振功放与低频功放的异同点,下列表述错误的是( )
A.
工作频率不同
B.
功率放大器的负载不同
C.
高频谐振功放属于高频宽带,低频功放属于低频窄带
D.
功率放大器的工作状态不同
【单选题】The policemen are investigating the murder______.
A.
event
B.
case
C.
incident
D.
accident
【单选题】It is not the job of the investigating committee to ___________ blame ___________ individuals. [ ]
A.
allocate;to
B.
allocate;for
C.
allocate;/
D.
allocate;at
【单选题】They thought the program was ______ investigating.
A.
worth
B.
worthy
C.
worthwhile
D.
worthing
【简答题】光合作用的最终电子供体是 ,最终电子受体是 。
【简答题】A.studying B.exploring C.describing D.investigating
【单选题】听力原文： Police in Singapore are investigating the death of a young soccer player who was beaten to death by a group of men on his way home from a bar. Seventeen-year-old Sulaiman Hashim died of head inj...
A.
He was a soccer fan.
B.
He was a soccer player.
C.
He was a bartender.
D.
Fie was a student.
相关题目：
【单选题】They thought the program was ______ investigating.
A.
worth
B.
worthy
C.
worthwhile
D.
worthing
参考解析：
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