【单选题】Each year, hundreds of thousands of people die from heart attack, a leading cause of death. In the Landmark Physicians' Health Study at Harvard University in the United States in the late 1980s, a res...
【单选题】Each year, hundreds of thousands of people die from heart attack, a leading cause of death. In the Landmark Physicians' Health Study at Harvard University in the United States in the late 1980s, a res...
【单选题】On National day___people take part in all kinds of celebration A. hundreds of millions of B. millions of hundred of C. hundreds mllins of D. millions hundreds of