题目

—Shi Changxu was awarded a special state prize for his scientific research. —He certainlythat honor, for he has devoted so much to the country. A. expects                  B. deserves C. observes             D. respects 答案： 【解析】选B。考查动词辨析。答语句意:他当然应该得到那份荣誉了, 因为他为国家奉献了那么多。deserve应受, 值得。expect期望, 预料; observe观察, 遵守; respect尊敬。8．化学与工农业生产和人类生活密切相关，下列说法错误的是（　　）A．医院用碳酸钡代替硫酸钡做钡餐B．生石灰，硅胶是食品包装中常用的干燥剂C．“雨后彩虹”是与胶体，光学等知识有关的自然现象D．为防止月饼等富含脂食品氧化变质，常在包装袋中加入硫酸亚铁