Hope is believed to be 'the thing with feathers' because
A．it can inspire us.
B．it is dull and dumb.
C．it is weak and fragile.
D．it can not be attained.

未分类题Which of the following is true of Longos study?A．Underestimations of thumbs are less than those of little fingers.B．Participants point the location of left hands with right hands.C．Subjects of different groups place hands in the same direction.D．Participants estimate the length of the little finger accurately.

未分类题From the first paragraph, we learn thatA．position sense helps people coordinate high and far.B．brains have accurate sense of our hands' proportions.C．people have imprecise sense of their hand shape.D．we do not need good sense of our bodies' proportions.

未分类题We can learn from the first paragraph thatA．the Snowden incident was a heavy blow to Booz Allen Hamilton.B．private firms and government spies have long worked together.C．cooperation between the private and public sectors should be stopped.D．many failed to note the role of private firms in the intelligence arena.

单项选择题()的原理是生物从无到有、从简单到复杂、从低级到高级的演化是不可逆转的，故不同地质时代的地层含有不同的化石及其组合，而相同时代相同环境下形成的地层则含有相同的化石。

未分类题Some are worried about the cyber-industrial complex in thatA．it is a duplicate of the military-industrial complex.B．the possible intimate link will pose potential risks.C．private and public sectors will conspire to monitor them.D．they will be deprived of the right to the freedom of speech.