I _____ the party much more if there hadn’t been quite such a crowd of people there.
A. would enjoy
B. will have enjoyed
C. could have enjoyed
D. will be enjoying
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伺服电动机在自动控制系统中作用是（）
A. 反馈元件
B. 放大元件
C. 执行元件
In Europe _______ are the two leading contenders for a global reservations system.
A. SABRE and GALILEO
B. GALILEO and APOLLO
C. GALILEO and AMADEUS
D. APOLLO and AMADEUS
Which of the following is not an international visitor（）
A crew member of a foreign vessel or aircraft stopped in the country on a lay-over.
B. An employee of international bodies on a mission lasting less than one year,or a national returning home for a temporary.
C. One who visits in the capacity of a diplomat or a member of the armed forces.
D. A foreign commercial or business traveler.
Which of the following is not mentioned as WTO's objective（）
A. To facilitate,in travel,people's access to education and culture.
B. To act as an international agency of coordination and cooperation to spread tourism.
C. To avoid discrimination between contracting countries.
D. To improve the conditions of country dwellers and so to contribute to an expanding world economy.
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