当饥饿、缺氧、感染、碱中毒、头颅血肿或颅内出血时,更容易出现黄疸或使原有黄疸加重。()
参考答案:错
The first painting is called Guilin Heights, _____ over three meters tall.[ ]
A. measures
B. is measured
C. measuring
D. measured
小宝在探究电路中电压关系时,根据实验数据绘制了电压U2随电压U1变化的图像,如图所示,请你根据该图像写出电压U2和U1的关系式:U2 =_____________。