A：分别存在于不同组织的细胞中
B：均在细胞分裂前期按照碱基互补配对原则复制
C：均在细胞核内转录和翻译
D：转录的信使RNA上相同的密码子翻译成相同的氨基酸
我国疆界“四至端点”所在省区简称，符合最北端点所在的省区简称是（ ）
The bus got ________ in the snow and we had to walk the rest of the way.
— I have great ____ in finishing the work by myself. Could you help me?
— No problem.
