今天的英文單字講的是旅行時有醫療保險比較好。記得單字連同英銘老師補充的例句要牢牢的背下來，增加你的英文單字實力！
( ) It’s better for you to travel with medical _____, so that you can get treatment when you get injured.
(A) assurance (B) existence (C) insurance (D) resistance
always 此單字經常出現在國考英文試題當中，要特別注意！
often 此單字近2~3年內出現在國考英文試題當中。
sometimes 此單字近4~5年內出現在國考英文試題當中。
補充：
assurance n. 保證、把握 (always)
The plumber gave me a definite assurance that the repairs would be finished by the weekend.
水管工人給我確切保證，修理將於週末前完工。
Gary led the orchestra with assurance.
Gary神定氣若地指揮樂團。
existence n. 存在、生活(方式) (always)
Clark doesn't believe in the existence of aliens.
Clark不相信有外星人的存在。
Audrey is leading a colorful existence in the United Kingdom.
Audrey在英國的生活豐富多彩。
insurance n. 保險、預防措施 (always)
Caroline found a job selling insurance.
Caroline找到一份推銷保險的工作。
They installed a security system as an additional insurance against burglary. 他們安裝了安全系統，以進一步防止盜竊。
resistance n. 抵抗(力)、抗(耐)性、抵制 (always)
When resistance gets low, it's more likely to be sick.
當抵抗力變差，就更可能生病。
Copper has less resistance than lead.
銅的電阻比鉛更小。
The resistance to change is far beyond our expectation.
對變革的抵制遠遠超出了我們的預期。
旅行時有醫療保險比較好，這樣在受傷時，就可以得到治療。所以答案是(C)。
※更多關於字彙的補充，請參考「國考英文字彙一把抓」。