【简答题】Integrated use of the expressions and partial sentences you learnt from the text by translation ______1______(循环系统或心血管系统) is___________2______(封闭的器官和血管) that_____3________(将血液输送到全身). The primary purpo...
【简答题】Tell the following statements True or False. 1. Food allergy may lead to death. 2. Allergic problems now are less than those in the past. 3. An allergic problem appears when the immune system fighting...
【简答题】Please translate the following terms or sentences after watching the video: 1.Down syndrome 2.HGT 3.genetic disorder 4.mutation 5.immune system 6.approved trials of HGT 7.SCID 8. Genetic engineering c...