A language which is widely adopted for communication between two speakers whose native languages are different from each other is called____?
A. a mother tongue
B. a second language
C. a lingua franca
D. an international language
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How many working languages of the United Nations are there ?
A. 2
B. 3
C. 4
D. 5
Over __% mails are written by English and about __% broadcast is spread in Englsh.
A. 60.70
B. 70，60
C. 60，60
D. 70.70
What does WTO stand for according to the video ?
A. World Trade Organization
B. World Transport Organization
C. World Translation Organization
D. World Tourism Organization
According to WTO, China will become the largest tourist country in____?
A. 2020
B. 2022
C. 2030
D. 2040
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