compose和comprise的区别。如题为什么选的是comprise而非compose， The communication relation is defined as the channels through which messages are transmitted by people who ____ a social system.如题
For the MC, when the moisture content is constant, its thermal conductivity is positively correlated with dry density; when the dry density is constant, the thermal conductiv
According to Cisco, a maker of networking gear, video accounted for 70% of global internet traffic in 2015, a share it thinks will increase to 82% by 2020.请教一下这个句子的结构和句法成分?并...
I was so ______ in todays history lesson. I didnt understand a thing. A, confused B. neglected C. amused D. amazed请问：这四个选项都是什么意思，不好选啊！为什么都是过去分词呢？我想选A，可是为什么不...
It’s good to have a different focus. People have been bringing theirchildren in to see the hens and residents come and sit outside to watch them.I’m enjoying the creative ac...