“红花还得绿叶配”是说绿色背景上的红色看起来更红了,这种现象叫()。
A.色觉适应
B.颜色后像
C.颜色对比
D.联觉
参考答案:C
The driver was at ________ loss when ________ word came that he was forbidden to drive because of speeding.
A.a;the
B./;/
C.the;the
D.a;/
腹膜透析相关感染性腹膜炎最常见病原微生物为()
A、真菌
B、分支杆菌
C、凝固酶阴性葡萄糖球菌
D、链球菌
E、金黄色葡萄球菌