题目

听录音,根据你听到的句子内容选择正确的图片,将其代号涂黑。听两遍。(______) 11. A. B.C. (______) 12. A. B. C. (______) 13. A. B. C. (______) 14. A.B.C. (______) 15. A. B. C. 答案:【答案】11.B 12.C 13.A 14.C 15.B 【解析】11. Sarah often takes a dancing class on Saturdays.12. The rabbits are playing with a ball.13. It’s nine a.m. The students are having an English class.14. April Fool’s Day is on April first.15. Pedro plays sports at six p.m.当一个人突然遇见很危险的情境时,血液中肾上腺素的含量立即上升,产生多种生理反应,这一生理调节过程属于(     ) A .神经调节   B .体液调节    C .神经-激素调节  D .激素调节
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