The text mainly discusses Davids______.
A. fragility
B. misfortune
C. luck and joy
D. struggle to live
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PayPal is preparing a beacon that will______.
A. change the shopping habits of consumers
B. make customers get their goods without paying
C. make consumers pay for goods more conveniently
D. become the only way that consumers pay for their goods
What can be implied from the second paragraph？
A. Swiss has accepted the public accusation.
B. Swiss has given voters more voting powers.
C. It will take a decade to write a law in Swiss.
D. Switzerland used to be an investment destination.
We can learn from the first paragraph that______.
A. Mauna Loa Observatory is located in northern Canada
B. about 4 million years ago, jungles covered northern part of the Earth
C. the carbon-dioxide concentration is expected to exceed 400 ppm in the next few days
D. it is the first time in human history that carbon-dioxide concentration reaches 400 ppm
What can we learn from the first paragraph？
A. The crime rates in America remained 13% since 2007.
B. The crime rates have declined in America and other countries.
C. The crime rates in America reached its highest level in the year 1991.
During the recession and the top level of unemployment crime rates rose.
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