【简答题】Listen to the passage and fill in the blanks with the words you hear. Scientists ______1______ animals for many years. In 1952, the first animal, a tadpole, was cloned. Before the _______2______ of Do...
【简答题】Listen to the passage about animal cloning and fill in the blanks . tadpole: 蝌蚪 somatic: 身体的,体壁的 embryonic: 胚胎的 strip: 剥去 gaur: 野牛 traumatic: 创伤的 Scientists have been cloning animals for many years. I...
【简答题】 1. Although one reason is the inconsistent application of punishment, another may be the fact that imprisonment no longer carries the intense stigma it once had, so that prison is no longer as an ef...