第33题: [单项选择]The author believes that television in the United States has become important to most people because ______. A. it promotes family unity B. it helps them develop their speaking ability C. it attracts their life in many ways D. it challenges society 参考答案:C 答案解析:[解析] 电视在各个方面影响人们的生活,所以成为人们生活的重要部分。答案应该选C。
第37题: [单项选择]关于胰腺脓肿,下列说法错误的是() A. 常在病后2~3周形成 B. 继发于胰腺周围坏死 C. 常在病后3~4周形成 D. 常伴有高热、腹痛 E. 可触及上腹部包块 参考答案:C 答案解析:胰腺脓肿多见于重症胰腺炎起病后2~3周,因胰腺及胰周坏死继发感染而形成脓肿。此时出现高热、腹痛、上腹肿块和中毒症状。