考查细节理解。根据对第三段的整体理解可知，Oyserman和Lewis想要通过他们的研究去验证把“现在的我”和“将来的我”联系起来是否会对应对拖延症有一定的帮助，故选D项。

6．The underlined part “this way” in Paragraph 4 refers to “________”．

A．setting up tough deadlines

B．following schedules strictly

C．counting in smaller units of time

D．imagining how your future self will feel

解析：C　考查词义猜测。承接第三段最后一句“They made ‘Present Me’think about a far­off event a number of days away, not months or years”可推知，画线部分是指用更小的时间单位去计量，故选C。

7．What helps prevent people from procrastinating?

A．Comparing their future selves with present selves.

B．Considering their current selves' needs and desires.

C．Thinking about far­off events in days rather than years.

D．Marking important events on a calendar as a reminder.

解析：C　考查推理判断。根据第五段的内容以及最后一段“So if you think of your life in days instead of years, you may get things done quicker”可推知，用天而不是用年去考虑将来所发生的事情会帮助拖延者不再拖延，故选C项。