单项选择题

Large quantities of water ____________cooling purposes.
needed for
B、is needed to
C、are need to
D、is need for

A、are
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单项选择题
She divided the cake into three pieces and gave her three children ___ a peice.
A、every
B、all
C、both
D、each
单项选择题
只有一个固定答案的信息选择什么方法记忆?()
A.记忆宫殿
B.故事法
C.逻辑法
D.照相法
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