单词拼写。（共50小题；每小题1分，满分5分）

小题1: Simon left his homework at home again. He is always doing everything c       (粗心地).

小题2:Hard work and good marks are the best p         (礼物) for Teachers’ Day.

小题3: On wet days l         (闪电) usually comes with thunder.

小题4: She wasn’t i         (邀请) to the party, so she had to stay at home yesterday.

小题5:The doctors were busy o         （手术）on the boy hurt in the earthquake.

某公司收到客户开来的信用证，规定最迟装运期为“on or about Nov．15，2012” ，则该公司可以在（ ）发运货物。

A．11月15日前后各5天内

B．11月15日前后各10日内

C．11月15日前后各15天内

D．只能在11月15日当天装船