题型:判断题 根据句意及首字母提示填空。1. Is there a bank in the n_______. 2. A: Where's the post office? B: Go s_______, it's next to the supermarket. 3. Our classroom is in f_______of the library. 4. The car t_______ left. 5. They see a new hotel on the r_______. 查看答案
题型:判断题 DNA分子一般有成千上万甚至数百万个碱基对组成,基因中核苷酸的专一序列就是一种信息,编码专一蛋白质的一级序列。双链DNA之所以具有较高的熔解温度是由于它含有较多的()。A.A+G B.C+T C.A+T D.C+G 查看答案