A flea (跳蚤) can jump up to 30cm. That's about 20 times its own body length (长度). ……

A shark can grow and lose up to 30,000 teeth in a lifetime (一生). ……

. Parents will fly one carp streamer for each boy in their family. They hope their boys can grow up.... Did you know?In a Chinese tale, there was a Dragon Gate on the Yellow River (黄河). Carps could jump ……

as “athletes (运动员)” of the animal world. They can travel over 7.6 meters in one jump. However, they can’t jump or walk backward (向后). They have big feet and a long tail to keep balance (平衡). But their legs ……

Pole vault撑杆跳高Holds the pole (杆) up and starts off.Plants the pole in the box and lifts (抬起) up.Legs swing (甩) up.Goes upside down as pole stands up.Turns to clear the bar (越过横杆) . Pushes pole away ……

to the US from Asia. They are big and strong. They can jump off the ground. They can also grow as long... in the soil (土壤), so rain and air can get through. That helps plants grow. But now in the United States ……

to the US from Asia. They are big and strong. They can jump off the ground (地面). They can also grow... holes (洞) in the earth, so rain and air can get through. That helps plants grow. But now in the United ……

THE number of American students studying abroad continues to grow, but the concept of what it means... students in the US taking part in a less-than-a-semester programme, a jump of 463 per cent since 1985 ……

鲸鱼为什么喜欢跃出水面?词数 304 建议阅读时间 5分钟 测试见7版You have probably seen on TV how whales jump out of the sea... in particular. Humpback whales (座头鲸) can grow to be as big as 16 meters long and are found in almost ……

mother. When I grow up, I have to say goodbye to my mom. I jump into the sea. I’m good at swimming. I... home蹦蹦跳跳进新家I’m a balsamine (凤仙花) seed. I have a hard (坚硬的) skin. When I grow up and get ready ……

 Who is your favorite artist (艺术家)? Do you want to be an artist when you grow up?Who is your favorite artist (艺术家)? Do you want to be an artist when you grow up?   ……

. I grow some tomatoes on our balcony. One day, I saw her stand up to reach my tomatoes. “Cherry, you... in time (正好), she will stand up and put her paws on the cage door. I grow some tomatoes on our ……

they see their friends, cats raise (抬高) their tails.When dogs jump up with their front paws (爪), it means that they want to play with you. But when cats jump up with their paws, it means ……

GLASBERGENMy teacher says little girls can grow up to be anything they choose! Why did you choose to be an old lady? ……

You have about 300 bones (骨头) when you are born (出生). You have only 206 when you grow up. ……