温跃层:是指在不太厚的深度内,水温迅速(),此层称为温跃层。
参考答案:递减
目前临床最常用的维持性腹膜透析方式是()。
A.间歇性腹膜透析(IPD.
B.急性腹膜透析(APD.
C.持续非卧床腹膜透析(CAPD.
D.持续循环腹膜透析(CCPD.
E.夜间腹膜透析(NPD.
If there were no rain, we should have___ on the beach.
A the happiest time B a more happier time
C much happiest time D a much happier time