How are people expected to purchase their tickets？
A. by paying in cash.
B. by charging them to their personal account.
C. by using a store credit card.
D. by writing a personal check.
查看答案
We can learn from the last paragraph that One-world______
A. offers the lowest prices to its passengers
B. keeps passengers better informed of its operations
C. offers better services than any of its member airlines alone
D. is intended to make round-the-world trips more Challenging
What does the author mean when he says "the company walks a tightrope"(Sentence 1, Para. 3)？
A. The company has both the chance to succeed and to fail in dealing in a new product.
B. The company has to study customer's behavior. before a new product is introduced.
C. The company has to find a new way to solve customer's problems before a new product is put' on the market.
D. The company has to make a great effort to overcome the customer's inertia.
The success or failure of a product seems to be determined by a number of factors, one of
A. quality and price
B. usefulness and durability
C. need satisfying capability
D. appearance and inner packing
How long will the woman go to Ischia？
A. Six days.
B. Two weeks.
C. Ten days.
D. One week.
微信支付 
支付宝支付