What does the writer want to tell in the passage?
A. Many inventions get ideas from nature.
B. Some animals possess unique skills.
C. People should protect nature.
D. Bionics is far from perfect.
What does the writer want to tell in the passage?
A. Many inventions get ideas from nature.
B. Some animals possess unique skills.
C. People should protect nature.
D. Bionics is far from perfect.
Misguided people tend to think that using an animal in research is ______.
A.cruel but natural
B.inhuman and unacceptable
C.inevitable but vicious
D.pointless and wasteful
A. artificial beauty
B. geometrical beauty
C. natural beauty
D. Hunting
Radiant energy is stored as carbon compounds by ______.
A.plants
B.rain
C.coal, oil, and natural gas
D.inflammable substances
It is implied in the text it is hard to______.
A.carry life learning through
B.tell the nature of life learning
C.learn without going to school
D.find a specially trained teacher
Where did children in the earliest times learn how to survive?
A.In schools.
B.From the nature.
C.From their experience.
D.From their parents.
People in some Arabic countries use a lot of adjectives in their communications.()
A、Some Miao groups moved to the east of Sichuan.
B、Some Miao people were taken to Yunnan as captives.
C、Some Miao people settled on Hainan Island.
D、The Miao people began to split into many small groups.
Some people believed if the wife worked for pay ,the husband ___________ (not,consider ) to be a good provider.
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