矽尘导致的职业病称为＿。
A.矽肺
B.石棉肺
C.电焊工尘肺
D.其他尘肺
参考答案：A
The ______ news made all of us ______ to death.
A．frightening; frightened
B．frightened; frightening
C．frightening; frightening
D．frightened; frightened
外周阻力动脉（）
A．大动脉
B．中动脉
C．小动脉
D．大静脉
E．中静脉
