填空题
With the introduction of the electronic computer, there are no complicated problems 1 can be solved.
1、
【正确答案】
1、but
【答案解析】解析：
With the introduction(介绍/传入/入门) of the electronic(电子) computer, there are no complicated(复杂的) problems but can be solved. 随着电子计算机的引进，没有任何复杂的问题，只有可以解决