Day 116--英语长难句分析连载！

This week, as both leaders made simultaneous official visits to China, care was taken to keep a much greater distance between them.

分析：

1 本句是一个时间状语从句

2 句子的主干是care was taken，主句是被动语态

3 前面的as... to China是从句部分

参考译文：

本周，两国领导人同时对中国进行正式访问，但是他们非常小心地保持很远地距离。