牙列缺失影响不大的是
A．面容B．咀嚼功能C．颞下颌关节D．神经系统E．内分泌系统
参考答案：E
You should more vegetables because it's good your health.[ ]
A. to eat, at
B. to eat, for
C. eat, at
D. eat, for
若预期未来利率水平下降，投资者应采取的措施为()。
A.增加固定收益证券
B.增持外汇
C.减持房产
D.出售手中股票
ould more vegetables because it's good your health.[ ]