I. Learn the following words and expressions from the video clip(the same as that in exercise 2): dementia; navigation device; cognitive; be bombarded with; out of the question; gadget II. Use one of the words or phrases above to complete each of the following sentences. Note that you may change the form of a word: 1.These findings, which prove the link between exercise and improved ___________ function, should not be surprising. 2.Our friends talk about their desires for the latest _____________. 3.Another financial crisis does not look ____________________. 4.Five drugs that do this are on the market, but they only delay the onset of ______________. 5.Stuart ______________ her with flowers, phone calls, and text messages just to get her to say she would go out for dinner with him. 6.In contrast, the iPhone as an in-vehicle ____________________ requires the purchase of a significant data plan.