In which pair of polymers are the linkages the same?A fats and proteinsB nylon and fatsC nylon and proteinsD proteins and terylene 说明原因.应该是它们有相同的结构。比如蛋白质有肽键 脂肪是酯键，而我不知道尼龙和涤

pol. pol. pol. pol. She wore,(what )was very uncommon in the country,a pair of white shoes.不用which 和that 的原因 The pair of giasses () in my handbag I can't choose which pair of jeans to buy i can't decide which pair of jeans i should buy i can't decide which pair of jeans() () pair of pair of 24.Hsiao Li found a ______ of keys in the corridor,which turned out to be mine.(A) bunch (B) series (C) few (D) pair I want to buy a pair of shose ,but i do not know A which one to buy B which pair to buyone和pair的区别 She has a pair of glasses in her locker.[对a pair of提问】急 of which /in which / with which /for which 的用法 Which pair of trousers would you like I would like the blue ( ) 括号中应该填pair还是pair of 另外再问一下,trousers可数吗? 99.Which pair of shoes do you prefer?I prefer the black_______.A.one B.ones C.pair of D.one pair She is in a pair of black shoes怎么提问 a pair of glasses前是用in还是with?