第二节(共10小题; )阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。Do you know that sea turtles have been li
“Sea turtles are just something that I really love, "she says. The ocean swimmers have reasons to hide in their shells.Their population is decreasing. They are killed for their meat and eggs in some countries. Others are injured by boats.Casey enjoys thinking of new ways to help se a ...
sea turtles find it extremely difficult to stroll on terrain. However, as the name implies, they are not intended for terrain either. Besides, they have a
Do amphibians have two uteri? Do all amphibians come from an egg? Do sea turtles have backbones? Are all amphibians born in water? Are loggerhead turtles amphibians? Are sea turtles amphibians or mammals? How does the lack of an amniotic egg limit amphibians?
Why do turtles have shells? From studying turtle embryos, scientists know that aturtle's shelloriginates from its ribs and vertebrae. This form originated over 250 million years ago, by which time modernturtle ancestorsthat lived on land had evolved half a shell, expanding from the lo...
they hide in their shells.Sea turtles,however,have soft,flatter shells . They can ' t hide inside , but they can swim away really fast . When cold weather comes , land turtles dig holes in the ground and sleep . They are too slow to move to warmer places . In contrast , sea turtle...
A.They don’t use teeth to eat. B.They have a good sense of smell. C.Sea turtles are more adaptable to life at sea. D.Different species have different shells. 小题2:The underlined phrase “near-sighted eyes” in the second paragraph means___.A....
【小题1】Which of the following statements is NOT true about sea turtles? A.They don’t use teeth to eat. B.They have a good sense of smell. C.Sea turtles are more adaptable to life at sea. D.Different species have different shells....
C.Sea turtles are more adaptable to life at sea. D.Different species have different shells. 29.The underlined phrase"near-sighted eyes"in the second paragraph meansD. A.good eyesight B.bad eyes C.excellent eyes D.poor eyesight 30.Which of the following questions is answered in the text?D...
“Sea turtles are just something that I really love," she says. The occan swimmers have ressons to hide in their shells.Their population is decressing. They are killed for their meat and exes in some countries. Others are injured by boais.Casey cnings thinking of new ways to help se ...