题目内容

人体感染血吸虫后,在体内因血吸虫卵引起的病变以哪一部位最为严重?

A. 脾脏
B. 小肠肠壁
C. 肝脏与结肠肠壁
D. 门静脉
E. 肠系膜静脉

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预防血吸虫病的重要环节和关键措施是

A. 治疗病人
B. 不吃生的或半生的淡水螺
C. 口服青蒿素衍生物
D. 消灭钉螺
E. 不接触病兽、病畜

Directions : Gap fillingimposing; interfere ;consistent ;precaution; explosive1.Newgoalsarenotalways___________withtheexistingpolicies.2.TheUNcannot__________intheinternalaffairsofanycountry.3.Shewasunpredictable,____________,impulsiveandeasilydistracted4.Iwasafraidyou'dsimplyfeelwewere___________onyou.5.Ihadtakenthe____________ofdoingalittleresearchbeforeIleftLondon

Directions :Gap fillingradical;racial;isolate;religious ; hollow1.The love interests cut across cultural and________lines in the stories.2.The country needs a period of calm without more surges of__________change.3.You don't have to__________them from the community.4.I don't like to hear his_________words.5.They are both very__________and felt it was a gift from God.

成长进入速度放缓、但利润率提高的收获季节称为()。

A. 培育期。
B. 成长期。
C. 成熟期。
D. 衰退期。

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