题目

下列图标是有关人体呼吸的相关信息，请依据图表回答下列问题 （1） 上述曲线图表示同一人在两种状态下的呼吸情况，曲线A表示是在状态下的呼吸．其中呼吸的动力主要来自和的收缩和舒张． （2） 曲线B能反映他正处在状态．分析两图可知：耗氧量大的是曲线． 答案：【1】平静【2】肋间肌【3】膈肌 【1】运动【2】B 完形填空      What do you do at the weekend? Some people like to    1    at home, but others like to go    2    a walk or play football.Mr Jack works hard in factory during the    3   . At the weekend, he always    4    the same thing. On Saturday he    5    hiscar and on    6    he goes with his family to a village by car. His uncle and aunt have a farm there. It isn't a    7    one, butthere is always    8    work to do on the farm. The children help with the animals and give them their    9   . Jack and hiswife help in the fields. At the end of the day, they are all    10    and Jack's aunt gives a big meals. (     )1. A. work(     )2. A. out(     )3. A. day(     )4. A. does(     )5. A. sweeps(     )6. A. Monday(     )7. A. small(     )8. A. much(     )9. A. clothes(     )10.A. early B. sitB. forB. eveningB. hasB. drivingB. SundayB. bigB. manyB. drinksB. late C. stay C. to C. nightC. goes C. sells C. SaturdayC. far C. littleC. food C. hungry D. play     D. away     D. weekdays D. plays    D. washes   D. WednesdayD. long     D. few      D. water    D. full