题目

如图装置中，容器甲内充入0.1 mol NO气体。干燥管内装有一定量Na2O2 ， 从A处缓慢通入CO2气体。恒温下，容器甲中活塞缓慢由D处向左移动，当移至C处时容器体积缩至最小，为原体积9/10，干燥管中物质的质量增加了2.24 g。随着CO2的继续通入，活塞又逐渐向右移动。下列说法中正确的是（） A . 活塞从D处移动到C处的过程中，通入的CO2气体为2.24 L(标准状况) B . NO2转化为N2O4的转化率为20% C . 容器甲中NO已反应完 D . 活塞移至C处后，继续通入a mol CO2 ， 此单词拼写。根据情境提示(第1—5题)或中文提示(第6—10题)，写出下列句子中单词所缺的字母，把句子补充完整，每空一词1. My mother asked me to take this m________ t________ a day.2. The boy s________ a f________ with his parents yesterday.3. When I lived in the countryside, I r________ a b________ to school every day.4. During Spring Festival, parents usually give children l________ m________.5. The girl liked to watch TV before, but now she likes to s________ the I________.6. The doctor g________ me a c________ last Friday.(给……做检查)7. I will m________ this c________ after I wake up tomorrow.(挤牛奶)8. In the past, the r________ in the countryside was very d________.(河流很脏)9. At Christmas people like to give e________ o________ gifts.(互相)10. Uncle Li says we should drink a ________ l________ eight glasses of water every day.(至少)