A.It made news all over the world。B.It was built for the Royal family。C.It marked a new er
A.It made news all over the world。
B.It was built for the Royal family。
C.It marked a new era in motor travel。
D.It attracted large numbers of motorists。
A.It made news all over the world。
B.It was built for the Royal family。
C.It marked a new era in motor travel。
D.It attracted large numbers of motorists。
Which of the following is true of the Glomar Challenger?
A.It is a type of submarine made especially for a project.
B.It is as ongoing project to explore the earth.
C.It provides such strong evidence that all earth scientists agree on the theories of plate tectonics and continental drift.
D.It makes great contribution to the understanding of the earth's structure.
Why does the speaker recommend watching the program?
A.It is required of all science majors.
B.It was made in Hong Kong.
C.It will be shown after working hours.
D.It will be helpful with course work.
The reason why the laser beam is very strong is that ______.
A.it is artificially illuminated (照亮)
B.it is made up of a concentrated beam of light
C.it sends out heat in all directions
D.its heat is increased by the heat of the sun
What is NOT true of the invisibility device?
A.It is made of a special material with unusual ability.
B.Microwaves bounce off it when they strike it.
C.Microwaves pass through it when they strike it.
D.It bends the microwaves all the way around until they reach the opposite side.
Parents speak loud in teacher selection in their child's early learning because______.
A.it is torturing to wait for news of classroom assignments
B.they consider it great to be a teacher in basic education
C.they are used to directing nearly all aspects of their child
D.it is custom to meet and argue with the school principle
What is made of ?
A.It's made of metal and glass.
B.It's made d metal and wood.
C.It's made of paper, not metal.
Which of the italicized parts functions as a subject?
A.It suddenly occurred to me that all are not thieves that dogs bark at.
B.She has made it clear that she will have nothing to do with him.
C.Our belief is that things will improve.
D.The fact remains that there is no filling station here.
The reason why the laser beam is very strong is that
A.it is artificially illuminated
B.it is made up of a concentrated beam of light
C.it sends out heat in all directions
D.its heat is increased by the heat of the sun
A.It is very serious.
B.It brought a lot of sand and dust to cities and harm people's health.
C.It made visibility in all cities lower to less than 1 meter.
D.It lasted a few days.
A.It was discovered by Spencer after he had made many experiments on microwaves.
B.It was discovered by Spencer accidentally, when he was making scientific experiments.
C.It was discovered by Spencer, who devoted all his life to inventing a new way of cooking.
D.It was discovered by Spencer with the help of the company he was working for.