It can be inferred from the passage that animals that are prey rarely experience dream sleep because they
A、have evolved further than predators
B、are particularly intelligent animals
C、need less sleep than predators
D、would be caught if deeply asleep
下面的短文有10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形填入文中，以恢复文章原貌。How to Deal With Pressure?With the current mood of global 41 (certain) and an ___42____(economy) recession, peoplere likely to suffer from increased stress, depression and anxiety. These___43____(psychology) symptoms（症状）, in a new twist to the old saying of“mind over matter”, can lead to actual physical problems. The mind and the body are ___44____(integrate) system. It's like a web. If one part is 45 (disturb) , it will directly or indirectly, affect another part. Hence, psychological and emotional reactions will trigger physical responses. When a person feels a threat to his well-being, the brain reacts by 46 (release) chemicals. or example, the adrenal gland(肾上腺) in the brain may release adrenaline(肾上腺素) whichprepares the body to respond to physical threats. The brain's neuro-chemistry（神经化学）programs a person to react in one of the classic ways:fight, flight or fright. Are you sleeping well?Are you eating well?Are you working or studying well?Any mental health problem would affect these three areas of behavior. Some people deal with stress and 47 (anxious) by turning to 48 (religious) , others by talking to friends and family. But are there other options?Exercise is a good outlet. Play a game. Go jogging. You will be ___49___(concentrate) on doing something. There is a target to be___50____(achieve) and will occupy your mind. Go Karaoke singing and dancing with friends. The worst thing to do is to sit at home and think.
下面的短文有10处空白，短文后列出12个词，其中10个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。SupermarketMost supermarkets need a very large floor area, sometimes at least ten times as big as that of an ordinary shop. There are usually two doors, one as an entrance and the other as an 31 . The rest of the side facing the street is largely of plate glass, with goods or advertising material displayed. The other three walls are 32 decorated in light colors, giving an 33 of cleanliness and brightness. At right angles to the window stretch long structures about six feet ___34____with a number of shelves on each side. Similar shelf units or frozen food containers extend round the walls. Broad aisles(通道) between the shelf units and ample(足够的) space between them and the window and also the far wall 35 room for the circulation of many people. 36 commodities(商品) , in tins, bags, boxes or other containers, are stacked(堆放) in groups on the shelves, and each group is37 with a price ticket. Metal baskets near the entrance are taken by the shoppers who collect the goods that they ___38____from the shelves. Between the shelf units and the windows are a number of small corners about three feet high. Beside each ___39____a cashier, who operates a machine for the totaling cost of each customer's purchases. The customer places the basket at one end of the counter so that it can be emptied by the cashier who records the price of the commodities one by one, before putting each on a moving section of the counter top. The cashier finally hands a printed slip recording all prices to the ___40____, whopays the total, collects the bag and leaves.
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