5．We must run, ____________(要不就太晚了)．(otherwise)

4．She became ____________(意识到有东西烧着了)．(aware)

3．As a doctor James has to ____________(了解医学的最新发展动态)．(track)

2．____________(考虑到他缺乏经验), we should help him.(allow)

1．He is said to ____________(已和他的老朋友都断绝了来往)．(break)

9．operate　10.humo(u)r

5．certain　6.nationality　7.directions　fused

1．Fortunately/luckily　2.typical　3.actually　4.amused

10．Mr. Smith has a sense of ______(幽默), so we all like to hear him talk.

[答案]

9．Don’t worry. Everyone will be shown how to ______(操作) the new machines.