水痘() |
A.隔离至出疹后5天
B.隔离至皮疹干燥结痂为止
C.隔离至腮腺肿大消退
D.隔离至出疹后10天
E.隔离至出疹后15天
参考答案:B
Eating _______ sweet food is not good for our health (健康).
A.too many
B.too much
C.many too
D.much too
对报价低于标底( )的投标书,如无充分理由证明能够保证降低造价的,评价时可不予考虑。
A.20%
B.40%
C.10%
D.50%