太奇教育“每日一练”进行中！四月份以来，针对MPAcc考研英语，太奇教育相继为MPAcc备考生们推出了英语阅读理解练习、英译汉专项练习、词汇词组自测等相关试题。日前，太奇教育继续向考生们推出MPAcc英语词汇自测习题及详细解析。

　　1.By moving the radar beam around slowly in circles, we can ____ the surroundings.

　　A) explore B) expose C)exploit D)expand

　　答案：A explore 考察，勘探。expose 暴露，揭露，揭示。exploit 剥削;开发，利用。expand (使)膨胀，扩大。

　　2.Many Europeans _____the continent of Africa in the 19th century.

　　A) exploded B) explored C)exposed D)expanded

　　答案：B explore 考察，勘探。explode (使)爆炸。expose 暴露，显露，揭露.。expand (使) 膨胀，扩大。

　　3.Nearly everyone is ____ to risk of some sort.

　　A) discovered B) exposed C) disclosed D) exported

　　答案：B be exposed to 面临。

　　4.Too much ____to X-rays can cause skin burns, cancer or other damage to the body.

　　A) disclosure B) exhibition C) contact D) exposure

　　答案：D exposure 暴露，揭露。disclosure 透露，显露出。exhibition 表现出;表演，表演赛;展览会。contact接触，联系;联络人。

　　5.China has greatly ____its influence in world affairs.

　　A) spread B) scattered C) extended D) contributed

　　答案：C extend 延伸，延续，继续。spread 铺开，展开，伸开。scatter 撒，洒。contribute 捐献，捐赠。