下面汉字结构完全相同的一组是[ ]
A.伶 梗 构 落
B.遂 启 匀 庆
C.品 森 磊 朋
D.鸿 嘲 忿 嫩
答案:B
---A stranger gave me an umbrella when I was caught in the rain.
---________.
A.First impression is half the battle
B.A friend without faults will never be found
C.There is kindness to be found everywhere
D.Two heads are better than one
感染艾滋病毒的孕妇在怀孕期可能会导致胎儿的感染,请问这种传播病原体的方式应称为()
A.血源性传播
B.医源性传播
C.水平传播
D.空气传播
E.垂直传播