()对眼睛及呼吸道有刺激作用,吸入可引起肺水肿,抑制中枢神经系统、刺激胃肠道和引起肝、肾和肾上腺损害。皮肤与液体反复接触能引起皮肤干燥、脱屑和裂隙性皮炎。
A person who is () of coming into contact with TB should be tested.
A. convinced
B. accused
C. informed
D. suspected
Surgery usually spans minutes () hours.
A. onto
B. into
C. on
D. to
在转动机械试运行启动时,除()外,其他人员应先远离,站在转动机械的()位置,以防转动部分飞出伤人。