1.根据“Sharks have lived in Earth's oceans for a very long time”可知答案。 2.根据“Unlike most bony fish”可知答案。 3.根据“There are lots of little teeth on the surfaces of sharks.”可知答案。 4.根据“There are about thirty kinds of sharks that may kill people.”可知答案。 5.通...
根据文章第一段“Sharks have been swimming in the ocean for millions of years. They were on Earth even before dinosaurs! At the top of the world’s ocean’s food chain, sharks help keep the population of other ocean animals in balance.(鲨鱼已经在海洋中生活了数百万年。它们甚至在恐龙出现...
1.Sharks have been swimming in the ocean for millions of years.They were on Earth even before dinosaurs!At the top of the world's ocean's food chain,sharks help keep the population of other ocean animals in balance.A large drop in the number of sharks can cause(引起) serious problems ...
Sharks have been swimming in the ocean for millions of years. They were on Earth even before dinosaurs! At the top of the world’s ocean’s food chain, sharks help keep the population of other ocean animals in balance. A large drop in the number of sharks can cause serious problems for...
Five sharks are swimming around. 五只鲨鱼游来游去。 When they make a big smile. 张开大嘴笑, The octopus runs away. 章鱼吓得跑走了。 One two three four five. 一二三四五, Five sharks are looking for friends. 五只鲨鱼找朋友。 Swimming in the ocean. ...
It you are swimming with sharks in the ocean, you might be in seriousdanger. And if you are swimming with sharks on land, you are spendingA. Why sharks are dangerousB. Some common expressions of "sharktime with the wrong crowd. If the sharks are circling, then someone is inC. How to...
Five sharks are swimming around When they make a big smile The octopus runs away One two three four five Five sharks are looking for friends Swimming in the ocean They meet a big turtle One two three four five Five sharks are swimming around When they make a big smile The...
Most sharks bite(咬)people by mistake.They think a person is a large sea animal.When the sun goes down or comes up,sharks are looking for food .So at these times,people shouldn't go swimming in the ocean. Today people kill sharks for food and their shin.The number of sharks in the...
So at these times people___(10)go swimming in the ocean. Each year, bees, snakes and elephants kill (杀死) more people than sharks do.1.A.over B.under C.some D.behind2.A.wide B.tall C.high D.long3.A.cool B.warm C.sunny D.windy4.A.food B.eggs C.children D.friends5.A....
故填(a)nimal。 (5)题详解: 句意:当太阳落山或升起时,鲨鱼正在寻找食物。根据首字母及“So people shouldn’t go swimming in the ocean.”可知,鲨鱼在寻找食物,所以人们不要去海里游泳;look for“寻找”,动词短语,由“are”可知,此处是现在进行时be doing结构,look用其现在分词形式。故填(l)ooking。