题目

阅读理解 Irelandhas had a very difficult history. The problems started in the 16th century whenEnglish rulers tried to conquer (征服) Ireland. For hundreds of years, the Irish people fought against theEnglish. Finally, in 1921, the British government was forced to give independenceto the south of Ireland. The result is that today there are two Irelands.Northern Ireland, in the north, is part of the United Kingdom. The Republic of Ireland,in the south is an independent country. Inthe 1840s, the main crop was affected by disease and about 750,000 people died ofhunger. This, and a shortage 解方程：3x÷67=6．