Which group in the study had misconceptions about the body size of their peers？
A. Female college students.
B. Female students at co-ed schools.
C. Female students at all-female schools.
D. Female students at primarily male schools.
伟晶岩矿床是某些稀有元素和稀土元素矿产的重要来源。()
The idea of flying car is mentioned to illustrate______.
A. a common perception of technology as characterizing the future
B. a failed goal amid overwhelming technological success
C. a goal that will be achieved in the future through technology
D. the flawed vision of the future that many people held and some continue to hold
In the text, the "Dark Age of the Universe" refers to______.
A. the formation of the first stars
B. a period during which black holes were prominent
C. a period following the big bang
D. the time before the universe began
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