According to Paragraph 2, which one is true？
American government has abandoned penny recently.
B. Obama believed that penny was too expensive to make.
C. The price of steel is rising but many countries still use it.
D. Canadian government is reluctant to learn from America.
查看答案
The text mainly discusses Davids______.
A. fragility
B. misfortune
C. luck and joy
D. struggle to live
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
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