抢救过程中,要每隔数分钟对伤员呼吸和心跳是否恢复再判定一次,每次判定时间均不得超过()。
A.30s
B.5~10s
C.15~20s
D.20~30s
参考答案:B
顶涵均应安装导轨,导轨应固定牢固。导轨材料必须顺直,安装时应严格控制()。
A.高程、内距及边线
B.高程、内距及中心线
C.里程、内距及边线
D.里程、内距及中心线
单词拼写(共5小题;每小题1分,满分5分)
根据首字母及汉语提示,完成下列单词的拼写,使句意明确,语言通畅。
小题1:Today, I want to i___________(介绍) a new student to all of you.
小题2:What about reading aloud to practice p____________(发音)?
小题3:Excuse me, sir. Can I see your driver’s l______________(执照)?
小题4:The air pollution in this area caused the d________(死亡) of many trees.
小题5:He is t__________(害怕)of speaking in public.