How Much Do You Know about Tigers? 你對(duì)虎的了解有多少？

劉杰琳編譯

Why didn't most kinds of life on the earth disappear from the earth because of the death？ Because both animals and plants have their own life cycles， and each of the life cycles has a beginning and an end， which means the living things from birth to death. The year 2022 is the Chinese year of the Tiger. Today， let us take a look at the life of a tiger.

為什么地球上大多數(shù)的生物沒有因?yàn)閭€(gè)體的死亡而在地球上消失呢？因?yàn)闊o論是動(dòng)物還是植物都有自己的生命周期，生命周期都有開始和結(jié)束，即生物從出生到死亡。2022年是中國“虎年”。今天， 就讓我們一起來了解一下老虎的一生吧。

The lifetime of a tiger is generally 20～25 years. Like most animals， a tiger's life cycle has to go through four stages： birth， growthand development， reproduction and death.

老虎的壽命一般為20至25年，老虎的生命周期和大多數(shù)的動(dòng)物一樣，都要經(jīng)歷出生、生長發(fā)育、繁衍和死亡四個(gè)階段。

Birth： Birth refers to thebirth of a new life. It generally can bedivided into oviparity and viviparity.Oviparity， refers to a shell that isbasically protected outside theembryo， such as chickens，

Birth： Birth refers to the

birth of a new life. It generally can be divided into oviparity and viviparity. Oviparity， refers to a shell that is basically protected outside the embryo， such as chickens，

butterflies， frogs， etc. Vviparity is the direct separation of the embryo from the mother's body， such as humans and tigers. A baby tiger weighs about 1 to 2 kilogrammes when it is bom， and is about 10 centimeters long， which is not as big as the palm of an adult. However， the little tiger will have patterns on its body as soon as it is bom， and there are stripes similar to the Chinese character “王"on its head.

由生：出生指新生命的誕生，一般可以分為卵生和胎生。卵生，指的是基本上胚胎外有保護(hù)的殼，如雞、蝴蝶、青蛙等。胎生，指直接把胚胎從母體內(nèi)分離出來，如人、老虎等。一只小老虎剛出生時(shí)重1?2千克，長約10厘米，還沒有成年人的一個(gè)手掌大。不過小老虎一出生身上就有花紋，頭上還有一個(gè)酷似漢字“王"的斑級(jí)。

Growing and developing： Baby tigers live with their mothers for about two years. During this period， the baby tigers will learn to climb， chase， slaughter， and fight， all skills are necessary for later life. At about two years of age， tigers leave their mothers to live independently.

生長發(fā)育：小老虎與虎媽媽一起生活大約兩年。在這期間，小老虎將學(xué)習(xí)攀爬、追逐、獵殺和戰(zhàn)斗，這些都是以后生活的必備技能。老虎大約在兩歲時(shí)離開虎媽媽獨(dú)立生活。

Reproduction： The increase in the number of living things， which is a life behavior that breeds offspring. Female tigers begin to reproduce at about 3 years old， while male tigers later. From November to February of the next year， tigers begin to enter the breeding season. After agestation period of about 105 days， female tigers will give birth to 1 to5 cubs.

繁衍：生物數(shù)量的增加，這是一種孕育后代的生活行為。雌性老虎大約在3歲時(shí)開始繁殖后代，雄性老虎晚一些。每年的11月到第二年的2月，老虎們開始進(jìn)入繁殖期，雌性老虎經(jīng)過105天的懷孕期，便會(huì)產(chǎn)下1至5只小老虎。

Death： Death is the disappearance of a life. Death also means the loss of life， the termination of life. In addition to fighting factors， most tigers died of disease or natural aging.

死亡：死亡即一個(gè)生命的消失。死亡指喪失生命，生命終止。除了戰(zhàn)斗因素外，大多數(shù)的老虎都是病死或者自然死亡的。

Through knowing the life cycle of tigers， can you think about the life cycle ofhuman beings？

通過對(duì)老虎生命周期的了解，你能想象人的生命周期又是怎樣的嗎？

Keys to May We Have Our Teacher Back？

I.1.√ 2.× 3.√ 4.√5.√

Ⅱ. 1. last 2. became 3. tallest 4. with 5. importance

IⅢⅢ. 1. new head teacher 2. good behaviour 3. primary school 4. rush in 5. stand up

6. come from 7. at this moment 8. be strict with... 9. half an hour 10. in the hall

Keys to Self-assessment of Maths（2B）

IⅣ.1. 5cm 5mm 2. 4cm 3.640; 650;670 4.7006; 7008; 7012 5.3：10;

7：15;1：20;5：25

V.1～5 CCAAA 6～7 AA

VII. 1. 346 2. 4 boxes 3. 373 yuan 4. 229 girl students

Keys to Self-assessment of Algebra for Maths

I.1.0.1 2.70 3.4 4.12.5 5.60

II. 1.6.5 2.205 3. 24 4.16 5.2.5

Ⅲ. 1. t= 50 minutes 2. 52 chicken wings 3. 48 inches 4. 4000 metres

5.27 boys; 9 girls