今天小编给大家介绍的sat词汇测试题就是易混词(Frequently Confused Words)，易混词是sat考纲中的一类问题考察。长得很像的sat单词总会让考生们搞混。所以大家还是要谨慎一点，记准意思。
SAT易混淆词汇第一组：affect / effect / effort
A) In an __________ to avoid any bodily harm, Thomas quickly dove under his desk, and covered the back of his neck with his hands and arms.
B) Excessive exposure to ultraviolet radiation can have detrimental __________ on human skin.
C) In the United States, a high school student’s cumulative GPA greatly __________ his or her chances of being admitted to a reputable university.
解析：affect n.情感，引起感情的因素;vt.影响，感染，感动，假装;vi.倾向，喜欢
effect n.影响，效果，作用;vt.产生，达到目的
effort n.努力，成就
注：affect 与 effect 均可表示“影响”，其区别是：前者是动词(及物)，主要指一时的影响，着重影响的动作，可指一般意义的影响(不分好坏)，也可指不良影响。后者是名词(可数或不可数)，两者的关系大致为：affect=have an effect on.
SAT易混淆词汇第二组：all ready / already
A) When asked to make a public apology for his disrespectful comment, the president-elect refused to comply,claiming that he had __________ made amends for his mistake on multiple occasions.
B) __________ for “family fun day” at the beach, Renee pushed her husband and three children to get their stuff together and to be hasty about it.
解析：all ready 全部准备;一切就绪
already adv.已经，早已;先前
SAT易混淆词第三组：brake / break
A) Stacey felt uneasy about leaving her car in the dark alley; She had it in her head that someone would __________ into her car and steal her valuables.
B) The mechanic estimated that it would take her one full workday—about 8 hours—to fix the recreational vehicle’s __________.
解析：brake n.闸，刹车;阻碍 vt.刹车 vi.刹车
break n.打破;折断;弄坏;削弱 vt.(使)破;打破(纪录);(常指好天气)突变;开始 vi.(嗓音)突变;突破;破晓;(价格)突然下跌
SAT易混淆词第四组：course / coarse
A) Lydia’s advisor explained to her that although the __________ would be difficult, it would also be extremely rewarding.
B) A shark’s skin is comparable to sand paper: it is __________ to the touch.
解析：course n.科目;课程;过程;进程;道路;路线，航向;一道菜 vt.追赶;跑过 vi.指引航线;快跑
coarse adj.粗糙的;粗俗的;下等的
SAT易混淆词第五组：here / hear
A) Amber couldn’t believe what she was __________. She just couldn’t accept that her dad wasn’t coming home for the holiday.
B) “Where are you? When are you going to get __________?!” Erik yelled angrily into his phone.
解析：here n.这里 adv.在这里;此时 int.嘿!;喂!
hear vi.听;听见 vt.听到，听;听说;审理
以上是五组关于大家可能会经常会混淆的sat词汇测试易混题。大家学会了吗？