1. To meet the ethical requirements, the participants were informed that their involvement in the study was voluntary and that their personal privacy would be treated ( ).

　　A. confidentially

　　B. proudly

　　C. confidently

　　D. secretly

　　【答案】A。考察词义辨析。为了达到道德要求，参与者们被告知此次参与研究需是自愿的，并且他们的个人隐私会得到保密。A选项和D选项都含有“秘密地”含义，但是A选项更倾向于机密，D选项更倾向于背地里，因此在符合题意上面，A更加符合。B意为“骄傲地;自豪地”，C意为“自信地”。故正确答案选择A。

　　2. Mobile and portable technologies allow learners to access information irrespective of their physical context, for example on a bus or, ( ), as a way to provide learners with location-based information.

　　A. simultaneously

　　B. generally

　　C. accordingly

　　D. alternatively

　　【答案】A。考察词义辨析。手机和可携带电子设备得以让学习者接受到无关他们的物理环境的信息，一般来说，就是作为一种方式为学习者提供基于地理位置的信息，比如说在公交车上或者其他的地方。A意为“同时地”，B意为“一般地”，C意为“因此，于是”，D意为“二者择其一”。故正确答案选择A。

　　3. ( ) with traditional contexts, the Internet-based learning environment provides new ways of presenting and obtaining knowledge.

　　A. To compare

　　B. Comparing

　　C. Compare

　　D. Compared

　　【答案】B。考察非谓语动词。和传统文章比起来，基于互联网的学习背景提供了一种新的展现方式和学习知识的方式。A compare with B为固定搭配，A与B为主动关系，故选择B选项。

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