【单选题】Even before the first cell division, the one-cell C. elegans zygote has an asymmetric distribution ofa. Par3 and aPKC in the cortex of the posterior half of the cell.b. Par6 in the cortex of the poste...
【简答题】Fill in the blanks with the year when the s took place. 1. One group started raising money for this memorial. 2. Officials placed the first stone of the monument. 3. The stone contributed by Roma...
【简答题】breast; chest; bosom 1. She told her ___(1)__ friend that she had ___(2)___ cancer, and she was ready to return to the ___(3)___ of the earth with dignity. 2. The water rose quickly and soon reached h...
【简答题】单词拼写。 1.Their plans seem good in________(理论) but won't work in practice. 2.One of their first________(商业的) products was an electronic typewriter. 3.________(总共),about 50 NATO aircrafts took part in th...
【简答题】Last summer, I began the biggest adventure of my life. I moved from a tiny city in England to one of the 1 cities in the world. As the plane 2 in Beijing, one of the first things I did was to 3 one of...