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上极限偏差是( )减去公称尺寸所得的代数差;下极限偏差是( )减去公称尺寸所得的代数差。
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【简答题】There are three principal kinds of animal diets. In a carnivorous diet, animals feed on other animals. Most fish are carnivorous. So too are owls, snakes, and wolves. On an herbivorous diet, animals s...
【简答题】The snakes are a ___________ (n. 威胁) to farm animals.
【单选题】How smart are snakes compared with other animals?
A.
They are very intelligent.
B.
They are not very intelligent.
C.
They are fairly intelligent.
D.
They are unintelligent.
【简答题】Laws to stop tigers, camels, zebras and snakes being used as performing animals in circuses have been announced by the government. The environment minister, Jim Paice, hoped the laws would be brought ...
【单选题】Snakes are____blooded animals while cats are_____blooded ones
A.
warm; cold
B.
coldly; hot
C.
hot; warm
D.
cold; warm
【简答题】There are many kinds of ants in America. One kind is very s___1___. People are afraid of it, and animals are afraid of it, too. These ants move in large g____2___. They eat p____3____, animals and w__...
【单选题】Snakes are _________blooded animals while cats are_______－blooded onesA．warm; coldB．coldly; hot
A.
127. Snakes are _________blooded animals while cats are_______-blooded ones A．warm; cold
B.
coldly; hot
C.
hot; warm
D.
cold; warm
【单选题】Compared with other animals, snakes are believed to be below ____ in intelligence.
A.
average
B.
common
C.
ordinary
D.
usual
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