填空题

Scientists will have to ______________ (提出提高世界粮食供应量的新方法).

【参考答案】

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

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单项选择题
A．He hates to pack.B．He doesn’t like to restrict his diet.C．He feels rushed.D．He’s worried about his lecture.
A．He hates to pack.
B．He doesn’t like to restrict his diet.
C．He feels rushed.
D．He’s worried about his lecture.
填空题
_____________ (为了最大限度减少窃案发生的可能性), they install a good alarm system.
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