How much of the foreign expert’s speech have you understood?—Next to nothingI wish I _______ harder at English

–Guess what! We’ll have a chance to visit our sister school in Denmark this summer!–How nice! You ______ a different culture then.

Do you know ______famous tennis player named Li Na—Yes. She plays tennis well.

Are you sure the delegation will come to our school next week— _____ The head of it has just emailed me about thedeparture time of their flight

填入了下面文段空白处的词语，最恰当的一组是（ ）征服和战胜自然的观念在西方文化中是如此深入人心， ① 思想家们都不愿花气力去讨论这个问题本身， ② 他们讨论最多的是如何去征服和战胜自然。在这方面，对西方文化影响最大的是培根的观点。培根提出了著名的“知识就是力量”的口号。他认为，人们追求科学的目的， ③ 为了在争辩中征服对方， ④ 为了在行动中支配自然。 ⑤ “要命令自然就必须服从自然”。 ⑥ 要研究自然，探求自然界的规律。