(一)主题词汇盘查
(已会词汇，在□内打“√”；欠熟练词汇，多翻阅识记)
①download □ ②household □
③helpful □ ④advanced □
⑤convenient □ ⑥technology □
⑦development □ ⑧system □
⑨promising □ ⑩replace □
?analyse □ ?observe □
?value □ ?concern □
?breakthrough □ ?explore □
?solve □ ?simplify □
?engineer □ ?invent □
