CA973 is the().

thor of the article believes that it isthe test system, ______ teachers, that is responsible for the heavy burden of themiddle school students nowadays. ,____ country in Central America, isthe only place in the world ____ someone can see the sun rise on the PacificOcean and set on the Atlantic d we put off the meeting”she asked—“_______,”he answered politely“This isthe only day everyone is available” ,____ country in Central America, isthe only place in the world ____ someone can see the sun rise on the PacificOcean and set on the Atlantic. Carbon dioxide(CO2)_______ from burning fuels isthe most common of the so-called greenhouse gases. is known to us all isthe old scientist, for whom life was hard in the past, still works very hard in his eighties. LFP-973A变压器微机后备保护装置中，信号流程是（） d we put off the meeting”she asked.—“_______,”he answered politely.“This isthe only day everyone is available.” 滤波器是一种选频特性较高的双端口网络.（973）（） The task is challenging and demandingWho do you think can make it—- ___________my partner have a try I think she isthe right person to do it isthe Amazon River— Some experts say it’s 7,025 kilometresbut others say it’s 6,440 kilometres. ce Craven,a doctor from the USA,isthe author of several published reports,one of ________introducedthe idea in 1953 aspirin could reduce the risk ofheart attacks char ca，cb; ca=getchar(); ca=ca-32; cb=getchar(); cb=cb+1; putchar(ca); putchar(cb); 问,若输入的是r4,输出显示的是（） Ca 报出车门驱动电机电路电线中断（1CA4、1CA5、1CA6、1CA7）原因大致分析为？（） 某汽车型号为CA1091，其中CA表示（）。 973计划（含重大科学研究计划）新立和在研项目数量及研究经费按领域分布情况2009年我国973计划（含重大科学研究计划）中，平均每个农业项目的投入经费约为多少万元人民币（） 以下关于2014年我国973计划（含重大科学研究计划）的描述，与资料相符的是（）。 下列关于Ca35中Ca的叙述，正确的是（　）。 国内的认证机构可分：行业性CA、区域性CA、（）。