随着人类科学技术的发展,气象预报技术也取得长足的发展,目前72小时的气象预报可以和25年前36小时的气象预报一样精确、可靠。人们能够作出更精确和更长期的气象预报,其哲学依据是 ( )①大气运动尽管复杂,但有其规律并可以被认识②大气运动的偶然性逐渐向有规律的必然性转化③科学技术的发展使人们认识这些规律的能力不断提高④科学技术的发展已使人们完全掌握大气运动的规律
I must go now. _____, if you want that book I'll bring it next time.
Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____ without scientific basis.
They were so far away that I couldn't _____ their faces clearly.
If the boy had _____ the dog alone it wouldn't have bitten him.
The generation _____ makes it difficult for parents to understand their children's opinions.