【单选题】In the dim light, the ship floated ( ) on the banks of the Nile surrounded by swaying palms and ferns.
【判断题】玻璃、陶瓷、纸、塑料、碳等都是绝缘材料。()
【判断题】常用的绝缘材料可分为橡胶和塑料两大类。()
【单选题】What did the scientist in the red ship see or conclude? ______
A.
His beam of light does not appear to go straight up.
B.
The beam of light in the blueship appears to come straight down.
C.
Time passed more slowly in the red ship.
D.
The blue ship is shorter than the red one.
【单选题】程某,女60岁,因肝癌发肝性脑病入院,病情逐渐加重,护士将病人仰卧,头偏向一侧,其目的是为了防止