30. Although Republican Dwight Eisenhower won the United Slates presidency in 1952 and 1956, the Democrats ran Congress for six of his eight years into office.
答案是d，我觉得好像应该是c，his应该改成their吧
22. Approximately four percent of human body weigh is made up of fat in me organs, skeletal muscles, and central nervous system.
答案是b，我认为应该是d，应该加the吧 | 
