Improving balance is vital to your stability, and it can prevent falls. Although it doesn’t sound as glamorous as building strength, it’s well worth incorporating (纳入)into your workout routine     1     any age. Standing on one leg when you’re doing tasks such as brushing your     2     (tooth) is one easy way to start working on your balance. Besides, you can also turn to yoga or tai chi     3     incorporates exercises for balance somewhere along the way.

Parents often believe that they have a good relationship with their teenagers. But last summer, Joanna and her husband noticed a change in their older son: Suddenly, he seemed to be talking far more to his friends     1     to his parents. “Usually, the door to his room     2     (shut).” Joanna noted.

    1     the night of July 28, 1976, one of the greatest earthquakes in the twentieth century hit Tangshan, Hebei. Strange things were happening, but people thought little of the       2     (warn). Then, at 3:42 a. m., the earth shook

Nearly a       3     (three) of China felt it. In less than one minute Tangshan was in ruins and more than 400,000 people were killed or injured. In the afternoon came another quake. Even more building     4     (fall) down. People began to wonder if the disaster would end.

Some students are     1     (amuse) by something else. They spend all their time     2     (look) anywhere but at me. Then again, some students’ favorite activity is daydreaming. With their chins on their hands, they occupy     3     (they) by staring out of the window or up at the ceiling. They are certainly interested in something, but who knows what. The main thing is reminding distracted students that they need to pay attention in class.

5 . 阅读下面短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出 提示词的空白处用括号内所给词的正确形式填空。

A new study shows rapid decline in insect populations. A growing number of the Earth’s insect population now can     1     (see) only in collections on exhibitions. Nobody’s seen those for 400 years. A new review of over 70 studies of insect populations     2       (suggest) that human pressures are causing insect populations to decrease by as much as a quarter every decade. The loss of species is inevitable (不可避免的) because often we don’t know     3     those species are doing or how other species are depending on them.

Pandas     1     (live) in China for over three million years. A giant panda has a typical bear’s body but is a distinctive black and white color, with black fur around the eyes and on the cars, legs, chest and shoulders, while the rest of the body is white. Giant pandas are the     2     (nation) treasure of China. A panda’s daily diet consists almost     3     (entire) of bamboo. Sometimes, however, they do not just eat bamboo. Only about 1% of their diet consists of other plants and even meat such as small rodents (啮齿动物).

More than 5 million shared bikes on the Chinese mainland are using positioning and navigation services     1     are provided by the country’s Beidou Navigation Satellite System. These shared bikes have been equipped     2     domestically developed Beidou-based positioning chips. These chips feature high accuracy and sensitivity, and low power consumption, which allow for an easier management for city authorities. Since June 2020, 59 Beidou satellites, including the first four experimental ones,     3     (lift) on the Long March 3-series rockets from the Xichang Satellite Launch Center in Sichuan province.

The term “multitasking” originally     1    (refer) to a computer’s ability to carry out several tasks at one time. So far, multitasking     2    (become) a way of life and even a key to success for many people. In fact, some excellent mental exercises involve engaging the brain in two or more challenging activities at a time.     3    checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive. And studies show that too much multitasking can lead to increased stress, anxiety and memory loss.

When I turned eighteen, I started working for my neighbors,     1    three children are all under 10 years old. The neighbors asked me if I had gotten my driver’s license. When I said yes, they were pleased because I could drive the kids to places     2     they could have fun. I never realized how hard it was to take care of so many kids. As soon as we get in the car, they ask. “Are we there yet?” They think that we should arrive immediately. When they’re thirsty, they ask me to buy them soda, but what I tell them is that it is healthier to drink water. However, they always say, “In our house we drink soda.” I don’t understand why their parents give them soda instead of water. Whether I should follow the rules of my house or theirs confused me a lot, so I asked my parents what I should do. My parents told me not to say anything     3     was about their parents’ rules but that I should try to encourage healthy habits by example. Little by little I’m learning how to take care of children. I hope that I     4     (be) as good a mom to my kids as my mom has been to me.

New research into EQ and IQ suggests that success is not simply the result of a high IQ. While your IQ tells you     1     intelligent you are, your EQ tells you how well you use your intelligence. According to Professor Salovey, at work, it is IQ that gets you hired but it is EQ that gets you promoted. It is generally believed     2     people with high EQ are open to new ideas and have positive attitudes towards life. They are also less likely to be troubled by problems. Also most social scientists agree that EQ has a lot to do     3     education — improving a person’s EQ, especially in terms of “people skills”.