[单选题]Group-thinking occurs when people are either isolated from crucial sources of information or______by other members of the group， some of whom may have bad intent.
[单选题]Uranus, ________ is much more massive than the Earth, seems to have been tipped over so that it lies on its side.
[单选题]It is requested that an applicant whose undergraduate work is done at another institution（ ）two copies of undergraduate transcripts and degrees directly to the dean of the graduate school.
[单选题]野草是这个世界上最为平凡和普通的植物，但却具有最顽强的生命力。野草是有灵性的。有春的绚丽，有夏的__________，有秋的__________，更有冬的__________。 填入划横线部分最恰当的是（ ）。
[单选题]If they win the final tonight, the team are going to tour around the city __________ by theirenthusiastic supporters.
[单选题]Students have show that travelers benefit financially ____ being able to make their own fight and hotel reservations.
[单选题]Large numbers of state-run preschools were expediently closed down during the 1990s economic reform and instead,a variety of for-profit private preschools sprung ______ across the country.