目前认为Crohn病（克罗恩病）的发病主要与下列哪项有关（） A.病毒感染 B.结核 发布时间：2017-08-28 22:33 │ 来源：www.tikuol.com 题型：单项选择题 问题： 目前认为Crohn病（克罗恩病）的发病主要与下列哪项有关（）A.病毒感染B.结核杆菌感染C.衣原体感染D.免疫反应E.遗传因素
题型：单项选择题 完形填空。 Mike is a five-year-old boy. His father is 1 shop assistant. His mother is a doctor.They 2 busy with their work and have to 3 their son at home by 4 . Mike likes drawing. He often draws dogs, cocks, foxes and flowers on the floor with chalk.One afternoon his mother 5 a few brushes and a drawing book home. Mike was 6 , andhe began to read the book at once. After 7 his parents were going to watch TV; he started todraw carefully at the table. "What are you 8 , Mike?"asked his mother. "God(上帝) ,"answered the boy. "But we can't see God and 9 knows what God looks like. " "When I 10 drawing, you will know about it," said the little boy.( )1. A. a ( )2. A. all are ( )3. A. take ( )4. A. he ( )5. A. put ( )6. A. happy ( )7. A. breakfast( )8. A. draws ( )9. A. everyone ( )10. A. finish B. an B. are all B. leave B. him B. bought B. angry B. lunch B. drawing B. nobody B. is finishingC. the C. both are C. throw C. his C. brought C. sorry C. supper C. draw C. some people C. will finish D. / D. are bothD. forget D. himself D. lend D. afraid D. meal D. drew D. any man D. finished 查看答案
题型：单项选择题 下列现象中，属于非条件反射的是（ ）A．某人的手指不慎被针刺后，立即缩回B．儿童看到某人手里拿着糖果，流出了唾液C．突然听到有人喊自己名字的声音，便立即转头张望D．小狗能听到“敬礼“的声音，便做出“敬礼“的动作 查看答案