From the passage we can infer that Pu's father is portrayed as a______.

A . two-step controller action B . proportional, controller action C . integral controller action D . derivative controller actio

A．the cows often ran out to look for food B．the cows often had fights with their masters C．Mr. Jones and his men often beat the cows D．Mr. Jones and his men often forgot to feed the cows

A．while pushing asteroids off course nuclear weapons would destroy the world B．asteroids racing across the night sky are likely to hit Earth in the near future C．the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime D．workable solutions still have to be found to prevent a collision of asteroids with Earth. 此题为多项选择题。

A．performance is a better judge of ability that a college degree needs B．experience is the best teacher C．past work histories influence personnel officers more than degrees do D．degree from a famous school enables an applicant to gain advantage over others in job competition

A．most of the gifted children became white collars B．half of the gifted followed up graduated from all colleges C．each of the talented published at least one article D．bright men got higher income than bright women

A．many people have dedicated to the skating B．modem speed skating will become more and more quick C．figure skating will be further innovated and improved D．more and more people like skating now

A．Asymmetry in language-related areas of the human brain results from evolution rather than the uniqueness of humans. B．Brodmann's area 44 is also called Broca's area. C．Humans are more intelligent apes. D．Apes can not speak due to the lack of a language center. 此题为多项选择题。

A．owls and hawks are tame animals B．hawks and owls are domestic animals C．hawks and owls are flesh-eating animals D．hawks and owls are pet animals

A．It was difficult to find fuel near them. B．They were not deep enough. C．They were rarely used for transportation. D．They flooded frequently. 此题为多项选择题。

A．the writer appreciated her mother' s lesson years later B．the writer must be proud that she is different C．the mother prepared to show Chinese different food culture D．the minister' s family really enjoyed the food

A.consumers are the only factor to determine what shall be produced B.how goods and services are produced is mainly conducted by the profit mottve C.the American economic system is exactly a market-oriented economy D.businessmen can produce more goods Ln order to earn more profits

A．True B．False P C．Not mentioned

A. It continued its escalating trajectory. B. The median CEO pay was over $10 million. C. Many board members regarded CEO's pay moderate. D. Board members took some measures to deal with CEO's high pay.

A．banks will have to change their ways of doing business B．“free trial” practice will eventually be banned C．privacy protection laws will soon be enforced D．consumers’ privacy will continue to be invaded

A．Marianne Adam has had many photographs printed in magazines B．Joseph Saimders has worked in New Urban ,University for over 12 years C．Dr John Goode's method of stopping smoking is successful D．many business education teachers have given successful lessons in typing before

A.two million B.300，000 C.480 times 300，000 D.400，000

A．most of the gifted children became white collars. B．Half of the gifted followed up graduated from all colleges. C．Each of the talented published at least one article. D．Bright men got higher income than bright women.

A．American businessmen do things more quickly than Japanese ones B．American businessmen like to say "Yes" and "No" C．Americans usually say what they are thinking D．Americans do not express themselves clearly

A．women were not willing to go out for work in the past. B．families ate lunch at a fixed time at home. C．most of the vegetables people ate were produced by themselves. D．foods sold in the grocer's shop were rare and fresh.

A．excavators have been replaced by specialist analysers. B．research design comes into being with changes in archaeology. C．field work in the past possesses a strategic nature. D．processual archaeology makes excavation lose its function.

A．scientists have also found out how to increase our life span by changing the gene. B．the results of a study show that monkey can live longer through taking less fat. C．extending life is by no means a 100% good thing. D．the experiment on the worm is most successful. 此题为多项选择题。