The privacy bill of rights is meant to______.
A. clamp down web surfers' dishonest behaviours
B. restrict internet firms' control over information
C. give American government control over information
D. ease the tension between digital marketers and web users
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What became of Vinland after Thorfinn Karlsefni's party left？
A. Hostile native tribes destroyed the buildings．
B. It became a permanent colony a few years later．
C. Historians made no further mention of it．
D. It was sometimes used as a base for fishing．
According to the passage, all of the following contribute to soil degradation EXCEPT
A. poor agricultural management
B. rotation of annual crops
C. accumulation of salts
D. lack of water drainage
All of the following are given as reasons for clumping EXCEPT
A. uneven resource distribution
B. territorial disputes
C. mating behavior
D. safety from predators
The first paragraph intends to tell us that______.
A. IQ is not a reliable indicator of one's ability
B. high IQ people tend to possess less self-confidence
C. people tend to lose some thinking ability when working in groups
D. several high IQ individuals does not necessarily produce a highly cognitive group
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