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【单选题】
Which of the following is true?A.
The vegetable vaccines are more effective than those produced in traditional ways.
B.
The new technique is especially useful in developing countries.
C.
This research team has already tested the technique in bananas.
D.
Previously there existed no vaccine against hepatitisb.
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【单选题】Which is NOT the reason why people like the game?
A.
They are longing for country life.
B.
They can have fun with friends.
C.
The game can relax people and give them a new experience.
D.
They are confident enough to face the real world.
【简答题】产品总成本费用要素包括哪些？何谓生产成本？
【单选题】Which is NOT the consequence of students' employment according to the author?
A.
Students feel that they deserve to be fun when they get home from work.
B.
Students don't spend enough free time studying.
C.
Schools and colleges find it difficult to demand quantity or quality of work from students.
D.
American students out-perform students from Japan and Europe.
【单选题】Which is NOT the nickname for New York?
A.
The Big Apple
B.
The Big City
C.
The Empire City
D.
The Fun City
【简答题】支票的提示付款期自出票日起______天，超过提示付款期限的，付款人______；出票人签发支票，必须控制在______内，禁止签发______。
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