题目内容

Earning enough money to support his family is a high ________.
A priority
B superiority
C status
D stature

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It is most important that the children be ________ in the knowledge that they are loved.
A secure
B conscious
C reliable
D alert

I lay in my crib at the close of that eventful day and ________ the joys it had brought me.
A came over
B took over
C recalled over
D lived over

filtration and filtering medium

reverse osmosis

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