真核生物mRNA帽子结构中被甲基化的核苷酸是
参考答案:B
“CCTV will provide us with a better platform, ______ at helping our brands to make a bigger sale next year,” the group leader said.
A.aims
B.to aim
C.being aimed
D.aiming
“温故知新”指的是学习态度,而不是学习方法。