A．leaderB．performerC．contributorD．partner
A. leader
B. performer
C. contributor
D. partner
According to the author, why will some companies boast higher share valuations？
A. They take less risk on prices in the market.
B. They will easily get the mine source all over the world.
C. Their firms would be operated smoothly.
D. They produce copper and nickel.
The best summarization of the passage might be "______".
A. Nonlinguistic language is invaluable to foreigners
B. Everybody uses only one form. of communication
C. Although other forms of communication exist verbalization is the fastest
D. When language is a barrier, people will find other forms of communication
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