How did dinosaurs ____________ birds?
How did dinosaurs ____________ birds?
The _______ of the dinosaurs occurred millions of years ago.
The _______ of the dinosaurs occurred millions of years ago.
What are the possible reasons why the dinosaurs disappeared?
What are the possible reasons why the dinosaurs disappeared?
No one has come up with a _____________ explanation of why dinosaurs die out
No one has come up with a _____________ explanation of why dinosaurs die out
The world of dinosaurs is very familiar to the general population. Which of the following sentences can support this main idea?
The world of dinosaurs is very familiar to the general population. Which of the following sentences can support this main idea?
(It is) believed that some dinosaurs were intelligent, (ability) to perform complex activities,and perhaps (even) capable of (social) behavior. A: It is B: ability C: even D: social
(It is) believed that some dinosaurs were intelligent, (ability) to perform complex activities,and perhaps (even) capable of (social) behavior. A: It is B: ability C: even D: social
The teacher asked the students () . A: if they were interested in dinosaurs B: when was Albert Einstein born C: what they will do with the computers D: how many trees they have planted
The teacher asked the students () . A: if they were interested in dinosaurs B: when was Albert Einstein born C: what they will do with the computers D: how many trees they have planted
The main idea of the text is_____. A: the Dromaeosanr's skeleton was found B: fossil dinosaur reveals body covered in feathers C: modern birds evolved from dinosaurs D: a recent new invention
The main idea of the text is_____. A: the Dromaeosanr's skeleton was found B: fossil dinosaur reveals body covered in feathers C: modern birds evolved from dinosaurs D: a recent new invention
The teacher asked the students [u] [/u] . 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: whether they were interested in dinosaurs B: when was Audery Heben born C: What will they do with the computers D: how many trees do they plant
The teacher asked the students [u] [/u] . 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: whether they were interested in dinosaurs B: when was Audery Heben born C: What will they do with the computers D: how many trees do they plant
What is the basis of the researchers' new theory A: They performed mathematical calculations and determined that dinosaurs must have had four chambered hearts. B: They found a fossil of an entire dinosaur end reviewed the arteries and veins flowing from and to the heart. C: They found a fossil of a dinosaur's heart and discovered it had four chambers and one aorta. D: They viewed a fossil of a dinosaur's heart and discovered that it had two aortas.
What is the basis of the researchers' new theory A: They performed mathematical calculations and determined that dinosaurs must have had four chambered hearts. B: They found a fossil of an entire dinosaur end reviewed the arteries and veins flowing from and to the heart. C: They found a fossil of a dinosaur's heart and discovered it had four chambers and one aorta. D: They viewed a fossil of a dinosaur's heart and discovered that it had two aortas.