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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】E Around the world more and more people are taking part in dangerous sports and activities. Of course, there have always been people who have looked for adventures ——those who have climbed the highe...
A.
positive(肯定的)
B.
negative(否定的)
C.
neutral(中立的)
D.
nervous(紧张的)
【单选题】Do you have bright ideas? Ideas for inventions that change society or, at least, make life easier for somebody? Perhaps we all do sometimes, but we don't often make the ideas into realities. Recently,...
A.
have bright ideas
B.
turn their bright ideas into realities
C.
make their life easier
D.
think of inventing something