问题
选择题
在克隆羊多莉的培育过程中,由甲羊提供细胞核,乙羊提供去核卵细胞,丙羊是代孕母羊,多利的相貌与哪只羊相似?[ ]
A.甲
B.乙
C.丙
D.都不相似
答案
答案:A
在克隆羊多莉的培育过程中,由甲羊提供细胞核,乙羊提供去核卵细胞,丙羊是代孕母羊,多利的相貌与哪只羊相似?[ ]
A.甲
B.乙
C.丙
D.都不相似
答案:A
阅读短文,完成表格。 The 30th Olympic host city, London opened its arms to the world on 27th July, 2012. It’s the capital city of the UK and one of the business centers in the world. It has a history of more than 2000 years. Many places of London were once villages. Today, London is a growing city with about 7 million people. They came from all parts of the world. Their ways of life are not the same but harmonious(和谐的). Their favourite food is pie and mashed potatoes. The symbol of London is a red double-deck bus. It came to London in 1956 and was in use there until 2005. Now it only runs on two main streets in the center of London.
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