题干

小玲同学对所学的部分化学知识作了如下归纳,其中有错误的一项是(  )

A、化学之最

①地壳中含量最多的元素是氧元素

②自然界中最硬的物质是金刚石

B、实验安全

①点燃可燃性气体,先检验气体纯度

②稀释浓硫酸时,将水注入浓硫酸中

C、环保理念

①研制和开发新能源替代传统能源

②减少使用一次性塑料袋

D、生活经验

①利用洗涤剂的乳化作用清洗油污

②利用煮沸的方法软化硬水

A:A

B:B

C:C

D:D

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答案(点此获取答案解析)

B

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Five ways to improve creativity

    Creativity is the ability to go beyond traditional rules, ideas or relationships and create something new through imagination or progressiveness. There are many ways to improve your creative mind.

    Exercise the mind. Exercising your mind is an ideal way to boost creativity. Like the body, the mind needs exercise to work the creative muscles and make them stronger. Exercise your brain by learning new subjects, getting into a debate about politics and talking to other creative and intelligent people.____

    Be passionate. One aspect of creativity is passion.____ Find your internal motivation and follow your passion to improve your creativity.

    Change your routine.____To boost your creativity, consider changing one to two elements of your daily routine. If you are working on a certain project, consider stopping one project to work on another project at regular intervals throughout the day or week.

    Read. While reading provides many intellectual benefits, reading is also beneficial for boosting creativity, exercising your brain and provide creative inspiration.____Consider reading about subjects that were previously uninteresting to you. This change in the norm might spark your creative interest.

    ____ Our packed schedules have no room for creative thinking. Take a certain amount of time every day to quiet, refresh and clear the mind while relaxing the body. This quiet time can consist of a yoga workout, meditation or simply sitting still in a dark and quiet room, in a peaceful garden or on a beautiful beach.

A. Schedule quiet time.

B. It can become weak due to stresses

C. Creativity is a natural quality

D. Often, creativity is blocked due to a too familiar routine

E. These activities will encourage a flow of creativity.

F. Read as much as possible about several different subjects.

G. Typically, students will do well in subjects they are interested in