1、课时训练(十八) Units 2(九下)(限时:30分钟).单项选择1.2023原创Which underlined letter pronounces differently from the others?A.practiseB.balanceC.sadnessD.ancient2.2023徐州二模Sharing is an important part of our life. When is shared, it will be halved. And your mood will be better. A.illnessB.happiness C.kindnessD.sadness3
2、.Jack has some difficulty the task by himself within two days.A.to finishB.finishesC.finishD.finishing4.2023呼和浩特Jack, lets have a picnic after school.Sorry. I have Frank to work on the biology report with him.A.advisedB.expectedC.suggestedD.promised5.2023滨州After years of war, the people in Syria are
3、 thirsty for . A.priceB.noise C.peaceD.course 6.2023辽阳John didnt get the job he wanted. Lets go and .A.turn him downB.call him backC.cheer him upD.let him down7.2023安顺What a heavy rain!So it is. I prefer rather than on such a rainy day.A.to go out; staying at homeB.staying at home; go outC.going out
4、; stay at homeD.to stay at home; go out8.2023武威I wonder Tom had a good time having a picnic yesterday.A.thatB.ifC.whatD.which9.Dont be crazy about computer games, your parents will be worried.A.andB.orC.butD.so10.2023眉山What did Tom say to you just now, John?He asked .A.what I am so happy todayB.what
5、 will I do for the weekendC.who did I play football with after schoolD.if I could go to the movies with him tonight.2023原创阅读理解From red apples and yellow lemons to blueberries and green melons, fruit comes in many different colors. Why do different kinds of fruits have so many colors?According to Lu
6、Wei from the Chinese Academy of Sciences, fruit colors actually come from their different pigments(色素), such as red or yellow carotenoid(类胡萝卜素) and blue or purple anthocyanin(花青素). These pigments appear in different amounts, depending on the fruits environment. This causes the fruit to turn a certai
7、n color.To find out how environment affects fruit colors, Chinese scientists studied more than 280 different fruit colors, including white, red, blue, purple and black.They found that red fruit tends to grow in cooler places. And instead of just growing in one place, you can find them growing in man
8、y places around the world. Blue and purple fruit mostly grows in warm places. These fruits tend to grow a lot in just one specific area. The scientists also found that the closer the fruit is to the equator(赤道), the darker its color will be.Animals have also had an impact on the evolution(进化) of fru
9、it colors. Animals eat fruit and drop the seeds in other places later. This helps the fruit spread and grow in different places. Therefore, in order to attract animals, some fruits develop colors that are easy for animals to see.However, animals see colors in a different way. Fruit needs to develop
10、colors that are suited to animals visual abilities. For example, birds can see red more easily than humans can. Therefore, there tends to be more red fruits in areas where birds live. The lemurs(狐猴) of Madagascar are red-green color-blind. Many yellow fruits can be found in their habitats(栖息地), as t
11、hey can easily see this color.11.You are more likely to find blue and purple fruit in places.()A.coolerB.warmer C.higherD.lower12.Some fruits develop certain colors to .()A.scare animals awayB.absorb more sunlightC.attract animals to eat themD.protect themselves13.What do we know from the passage?()
12、A.Dark fruit tends to grow close to the equator.B.Green fruit tends to grow in cool places.C.Humans can see red more easily than birds.D.Lemurs are color-blind and cant see any color.14.Which of the following factors have influenced the evolution of fruit colors?()a.environmentb.pigmentsc.animalsd.h
13、umans visual abilitiesA.ad B.bc C.ac D.bd.2023威海改编还原短文Time ManagementDo you ever wish you had more time? Everyone gets the same amount of time each day. But there are some ways to use those hours better. As a popular saying says, “Work smarter, not harder.”The most important way to manage your time
14、is to set priorities(优先权). 15. Also, consider whether or not they are urgent if they need to be done right away. It can be easy to forget important tasks that arent urgent, so make time for them.Decide ahead of time what youre going to do at certain times each day. Schedule times not only to meet pe
15、ople but also to do things alone. Then you can make sure everything gets done.16. Are you smarter in the morning, afternoon or evening? Schedule difficult tasks for times you feel good, saving easy ones for when youre tired.Write down what you need to do and when. I keep two to-do lists: one for the present tasks and one for larger projects Im working on. 17. And I dont get discouraged by looking at a long list of items I cant finish. I focus on the shorter list of each days tasks.18