你知道蝌蚪也会微笑吗？WHAT is in the picture? It’s a 14-day-old tadpole (蝌蚪) in a microscope (显微镜). In fact, it is only 3mm wide. Is it smiling? Its two “eyes” are nostrils (鼻孔). Tadpoles’ eyes ……

小蝌蚪找妈妈
thing! I don't know. Let's ask him. Dragonfly: Good morning.Tadpole: Good morning. Who are you?Butterfly: I'm Butterfly.Dragonfly: I'mDragonfly. Who are you? Tadpole: I'mTadpole.(这时,蝴蝶 ……

. Then they grow front legs. Their tails get smaller and smaller. 6.This tadpole kicks with its legs. It jumps out of the lake. But is it a tadpole? No, it’s a frog! ……

When you were born, you were crying and everyone around you was smiling.Live your life so that, when you die, you're the one who is smiling and everyone around you is crying. ……

“乐呵呵”的海豹LOOK at the seal! He looks like he is smiling. A photographer took the picture at a beach in the UK. But in fact, the seal is not smiling. He is just yawning (打哈欠) to pass time. ……

. Then they grow front legs. Their tails get smaller and smaller. 6.This tadpole kicks with its legs. It jumps out of the lake. But is it a tadpole? No, it’s a frog!Have a go1. 读完故事，用故事中的词语填空。How does ……

technology and a9 processIdentical twins;Exact copies of plants from clippings;The tadpole grown from the cell of a tadpole embryo;The sheep grown from a skin cell from an adult sheep: the extracted nucleus ……

to the smallest tadpole (蝌蚪)!London Zoo has this year’s weigh-in (称体重). Every animal join it, from the tallest giraffe to the smallest tadpole (蝌蚪)!Line up (排队), one by one!Line up (排队), one by one!Oh ……

“乐呵呵”的海豹LOOK at the seal! He looks like he is smiling. So cute! A photographer (摄影师) took the picture at a beach in the UK. But scientists say the seal isn't smiling. He is just yawning (打哈欠) to pass ……

how a tadpole is transformed into a frog.organ n. 器官The heart is one of the body’s important organs ……

WASHINGTON: Seeing smiling faces makes the brains of extroverted people light up more than the brains of shy people, researchers said on Thursday in a study they believe could help shed light ……

One little flower, one little bee. One little blue bird, high in the tree. One little brown bear smiling at me. One is the number I like, you see. ……

It takes 17 muscles to smile and 43 to frown. Unless you’re trying to give your face a bit of a workout, smiling is a much easier option most of time. ……

笑脸无处不在These three daisies (雏菊) look like a smiling face. They’re in Michael Lester’s back garden in the UK. Michael is a good gardener. ……

and think. So he is so special1 to his owner2 and animal friends. They like to call him “Smiling Cat... is Smiling Cat’s life like in the human world? You’ll find the answers in the book series Diary ……