Life On Venus?
Cats Make for Ideal Human Companions
Cats have a reputation for being colder and less cuddly (令人想拥抱的) than their counterparts—dogs. In reality, they form close bonds with their owners and provide a sense of companionship, particularly for women. In fact, the findings of one Austrian study show that owning a cat is the emotional equivalent of being in a romantic relationship.
Some people feel silly talking to their pets, since, of course, they can’t respond. But interacting with your feline (猫科的) companions has proven health benefits. Not only does talking to your cat improve your bond, but it’s also said to be beneficial to your mental health by helping to improve your mood, lower your stress levels, and reduce our feelings of loneliness.
Cats are experts at sleeping, so it’s perhaps no surprise that they can help improve your sleep, too. A Mayo Clinic study found that people who slept with their pets in the same room were almost twice as likely to get a good night’s rest, with only 20 percent saying that they found their pets’ presence destructive.
Cats may not be able to help with the housekeeping, but they can assist in keeping your house free of mice. It turns out there’s some truth behind the cartoon cat-and-mouse chase. When mice smell certain proteins in cat saliva (唾液), they become tearful and therefore avoid the area.
It’s important for children to learn to care for and look after a living thing, just as their parents take care of them. Cats can help children develop social skills as they learn to approach the feline carefully and gently. Looking after a cat also encourages a sense of responsibility.
In addition to filling your heart with love, cats can contribute to keeping your heart healthy. Numerous studies have shown that owning a cat can help reduce your blood pressure and heart rate, as well as lowering your triglyceride (甘油三酸酯) and cholesterol levels, thereby reducing your risk of having a heart attack or stroke.
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同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

