Read the following passage and fill in each blank with one word in one of the following three ways: according to the context, by using the correct form of the given word, or by using the given letter(s) of the word. Remember to write the answers on the answer sheet.
If you yearn for smooth skin that glows with youth, the chances are that at some point you will have heard the exhortation to drink lots of water in order to flush out those evil toxins and keep your skin 46. hea____.
The exact amount people suggest varies. US-based advice tends to recommend eight glasses a day, while in hotter climates people are advised to drink more to compensate for higher rates of 47._(sweat). But regardless of the exact volume of water suggested, the principle behind the advice remains the same-taking extra water on board will keep your skin hydrated.
This is such a common idea you might be surprised at the lack of evidence to back this up. You might expect there to be countless studies 48.____people are separated into two groups, one assigned to sip water all day, the other to drink a normal amount. Then the smoothness of the skin could be assessed a month or so later to establish whether sipping more led to smoother skin.
In fact such studies are rare, partly because water can't be patented, so it is Drink More hard to find anyone to fund such research when there will be no new medication or Water cosmetic to sell that could repay the costs. A review in Israel found just one study looking at the effect of long-term water intake on the skin. But the results were49. con_____. After four weeks, the group who drank extra mineral water showed a decrease in skin density, which some believe suggests the skin is retaining more moisture, while those who drank tap water showed an increase in skin density. But regardless of the type of water they drank, it made 50._____difference to their wrinkles or to the smoothness of their skin.