2) _________ (study) abroad is a painful experience for some students.
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3) He looks forward to ________ (receive) your letter again.
4) The movie is so moving that every spectator can’t help ________(cry).
以下无需手术治疗的肛门疾患是
A. 急性坐骨直肠间隙感染脓肿未形成
B. 肛瘘
C. 肛裂
D. 混合痔
E. 血栓性外痔
以下诊断胃十二指肠溃疡急性穿孔的最有意义的依据是
A. 上腹部明显压痛
B. 板状腹
C. 腹式呼吸减弱
D. 移动性浊音阳性
E. X线检查时膈下有游离气体