隧道开挖时,导致坍方的原因可归结为自然因素和()。
参考答案:人为因素
根据意思或首字母填词(注意词性和时态)(每空1分,共10分)
小题1:Failing in the examination again ___________ (使……不安)her a lot.
小题2:Either she didn’t see me or she _____________ (不理睬) me on purpose .
小题3:Parents noticed the ______________ (逐渐的) change in their children.
小题4:I am g______________(感激的) to you for helping me.
小题5:If you don’t know the way, you can ask a ________________ (本地人).
小题6:It is on the eighteenth floor. Let’s use the e____________.
小题7:The President was leaving for a four-day ____________(官方的)tour of China.
小题8:She speaks English f____________ though not very standard.
小题9:I ________________(认出) her although she wore a suit of new clothes.
小题10:He went _______________(直接地) to his friend to ask for help.
属于电机车危险源的是()。
A、电机车的闸、连接装置、撒砂装置不正常
B、电机车正常行驶线路随意停车,且关闭车灯
C、挤岔强行通过