问题
选择题
Scientists will have to come_______ new methods of increasing the world’s food supply.
A．up for
B．up with
C．out
D．on
答案
答案：B
come up with表示想出的意思，与本题的题意相符，故本题选B。
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Scientists will have to come_______ new methods of increasing the world’s food supply.
A．up for
B．up with
C．out
D．on
答案：B
come up with表示想出的意思，与本题的题意相符，故本题选B。