左右不成对的组织是
A.卵巢
B.肾上腺
C.精囊
D.子宫
E.前列腺
参考答案:D,E
解析:子宫、前列腺不成对。
Although they lost their jobs, savings and unemployment benefits allow the couple to ______ their
comfortable home. [ ]
A. put up with
B. catch up with
C. look forward to
D. hold on to
评述马斯洛需要层次论。