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