1.D. 定語從句中只有先行詞代替賓語,才可省略that.此句that代替China,作主語,所以that不行. 固定詞組:the first to do (the third country to do),又事情已發(fā)生,所以用完成時. 2.B. dress作及物動詞為:為…穿衣. 詞組dress sb./oneself in clothes/red. dress sb. up get dressed be well dressed dress作不及物動詞為:穿衣.dress for a ball/party。