基本信息
ⅰ.单词拼写 1.china does a lot of ________(贸易) with many countries. 2.the earth was here long before the ________(起源) of the human species. 3.the passage pointed out that all the countries ________(联合) to fight global recession. 4.this kind of apples is more expensive because they are ________(进口) from abroad. 5.the rio grande ________(标志) the border between mexico and the usa. 6.african people were fighting for the f______ and independence of their countries. 7.the seeds are t______ by the