记忆的过程不包括()。
A.验证
B.保持
C.回忆
D.再忆
E.识记
参考答案:A
What ______ the doctors most was that they could not find the cause of the disease.
A.astonished
B.puzzled
C.surprised
D.amused
按规定的最小稀释比例计算出聚氨酯漆中游离二异氰酸酯(TDI、HDI)含量,且不应大于()。
A.1g/kg
B.2g/kg
C.4g/kg
D.8g/kg