It is clear that the people's great dislike for the government is related with ______.

单项选择题Most Americans am satisfied with their jobs because the job ______.

单项选择题Xers” is repeated several times to refer to ______.

单项选择题The survey has revealed that in the past 40 years the public faith in the American government has dropped by ______.

单项选择题Sagittarius A is ______.

单项选择题Were it not for the new telescope high in the Andes Mountains, researchers would not have argued that ______.