不宜采用头低足高位的情况是
A．产妇胎膜早破B．十二指肠引流C．肺分泌物引流D．腹部手术后E．骨盆骨折牵引时
参考答案：D
The case of his death is being ________ and will be found out before long.[ ]
A. looked up
B. looked for
C. looked into
D. looked on
在国际航空货物运输中，较高重量分界点的重量也可成为货物的计费重量。（）
