隙卡沟的正确宽度为()
A.0.5~0.6mm
B.0.6~0.7mm
C.0.7~0.8mm
D.0.8~0.9mm
E.0.9~1.0mm
参考答案:E
Let’s ____ these chairs ____ the room. [ ]
A. takes; to
B. takes; or
C. take; to
D. take; of
以下疾病不是慢性呼吸衰竭病因的是().
A.重度肺结核
B.肺间质纤维化
C.尘肺
D.胸廓畸形
E.药物麻醉或中毒