Melissa Mahan's story is mentioned in the text to ______.
A. show tourism of Netherlands is no better than that of US.
B. introduce the topic of Location-based services by GPS.
C. show that they are dissatisfied with traveling.
D. explain the reason why they start a new company.
查看答案
What is the author's attitude towards cattlemen？
A. Combative.
B. Contemptuous.
Compassionate.
D. Compromising.
A．called uponB．switched toC．rolled outD．went through
A. called upon
B. switched to
C. rolled out
D. went through
There could be no real cattlemen in Matt's Saloon on Saturday night, because ______.
A. Matt's Saloon caters to guests from Europe instead of cattlemen.
B. the ranchers dislike this impudent tourism.
C. it is too costly to afford for cattlemen.
D. it is tough to earn a living in that city.
According to the passage, which of the following is true？
A. Water problems in US are not optimistic, either.
B. Clean, safe, inexpensive water no longer meet American peoples' needs.
C. Water service's privatization is not necessary for the US.
D. Investment for water is not enough in the US.
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