问题
单项选择题
人感染华支睾吸虫因为
A．摄入毛蚴
B．摄入虫卵
C．尾蚴钻入皮肤
D．摄入囊蚴
E．摄入童虫
答案
参考答案：D
解析：囊蚴主要分布于鱼虾的肌肉中，在鱼鳍及鳞和虾的甲壳表面也有发现。囊蚴在鱼体内至少存活2年以上。终宿主人因吞食含活囊蚴的第二中间宿主而被感染。
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人感染华支睾吸虫因为
A．摄入毛蚴
B．摄入虫卵
C．尾蚴钻入皮肤
D．摄入囊蚴
E．摄入童虫
参考答案：D
解析：囊蚴主要分布于鱼虾的肌肉中，在鱼鳍及鳞和虾的甲壳表面也有发现。囊蚴在鱼体内至少存活2年以上。终宿主人因吞食含活囊蚴的第二中间宿主而被感染。
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| Most people like to travel . Once a man was travelling abroad in a small red car. One day he left the car and went 1 . When he came back, its roof was 2 damaged. Some boys 3 him that an elephant had damaged it. The man did not believe them, but they took him to a circus which was near there. The owner of the elephant said, I am very 4 . My elephant has a big, round, red 5 . He thought that your car was his chair, and he 6 on it! Then he gave the man a letter, in which he said that he was sorry and that he would pay 7 all the damage. When the man got back to his own country, the customs officers would not believe his story. They said, You sold your 8 car while you were abroad and bought this old one! It was only when the man showed them the 9 from the circus man that believed him. Do you think the man in lucky or 10 ? | |||
| ( )1. A. shop ( )2. A. badly ( )3. A. asked ( )4. A .happy ( )5. A chair ( )6. A. sit ( )7. A .for ( )8. A .old ( )9. A .paper ( )10.A. lucky | B. shoping B. bad B told B sad B desk B. sitting B. on B. beautiful B. letter B. unlucky | C. to shop C. good C. showed C. terrible C. car C. is sitting C. to C. pretty C. notebook C. happy | D. shopping D. better D. let D. sorry D .home D. sat D. in D .new D. book D. sad |