一.单词拼写
1．I should have c________ my cellphone last night. Now the battery is running out.
2．When it comes to renewable energy, what occurs to me is s________ energy.
3．It's hard to tell exactly how many people agree with him, but research ________(表明) that the numbers have been rising for some time.
4．The ________(事故) was similar to the one that happened in 1973.
5．Two people got trapped in the lift this morning when the ________ (电) was cut off.
6．While all the desserts are pretty good, the clear ________ (突出的物) is the lemon pie.
