1. 認識這個詞（基礎篇）
詞：tentative
英英釋義：not definite or certain, and may be changed later
例句：We made a tentative arrangement to meet on Friday.
2. 體會這個詞 （進階篇）
“tentative”是形容詞，意思是“暫時的”“試探性的”，常?？梢杂脕硖鎿Q uncertain/experimental，是口語和外刊中的常見實用詞匯。我們通過幾個例子掌握它的用法。
某一個計劃、安排、結論只是暫時性的、初步的，就可以用 tentative：
The plan/arrangement/conclusion is only tentative.
我們平時常說的“暫定”就可以用 tentative，比如“我們暫定星期五見面”就可以說成：
We made a tentative arrangement to meet on Friday.
現在許多城市開始嘗試性地利用面部識別技術管理交通：
Many cities are taking tentative steps to use facial-recognition technology to identify traffic violators.
《經濟學人》中也經常用到 tentative：
1）For all the technology’s potential, though, most attempts to use it remain tentative. （這里的 it 指的是“區塊鏈技術”）
2）International observers and NGOs have offered tentative support, saying a delayed poll would be better than a badly flawed one.
3）Similarly, in America, a tentative proposal to split air-traffic-control services from the FAA into a separate entity, as in the rest of the developed world, was last year grounded in Congress.
3. 從認識到會用（作業）
1）翻譯下面的句子： 政府正在采取試探性措施來解決國家的經濟問題。
The government is taking tentative steps towards tacking the country’s economic problems.
（參考翻譯：The government is taking tentative steps towards tackling the country's economic problems.）
2）結合自己的生活、學習、工作、興趣等，想象在什么語境下會用到這個表達。先簡要描述這個場景，再造句。
很多中國城市九月份開始試點網上辦理赴日旅游簽證。
Many Chinese cities begin tentative online travel visas to Japan in September.
