填空题

Scientists will have to ______ (提出增加世界粮食供应的新方法).

【参考答案】

come up with new methods of increasing the world’s food supp......

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填空题
______ (为了实现成为职业运动员的梦想), Tom kept training for 3 years.
单项选择题
What does the last paragraph suggest
A．The recruiting letters Mack Reiter received offered him full scholarships.
B．Mack Reiter wanted to help his family go out of the trouble.
C．Traditional scholarships are a good solution to the tuition problems in some families.
D．Mack Reiter was very proud of his national wrestling championship.
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