Landsat 7 knows that Alaskan glaciers have shrunk because______.

A . his B . he’s C . he

A．a catalogue may show you what a company is selling B．it is easier and more enjoyable to shop around stores C．you can set up your own shop with a catalogue

A．every American cannot have guns B．only soldiers and police can have guns C．every American citizen can own guns D．teachers have no money to buy guns

A．some artists' paintings were beautiful, so they were masterpieces B．only art experts could judge they were masterpieces or not, though ugly C．the artists mentioned above were not really art masters. D．some of them were art masters, while others were not.

A．hardware configurations are the same B．most computers at present don&39;t support Fortran, Pascal, Lisp, etc. C．application programmers prefer more architectural transparency D．the author doesn&39;t want to develop machine-dependent programming environment

A．scientists believe hope is accidental, thus can not be attained. B．there is a hard-to-deny link between study and work. C．hope actually contributes to success in study and work. D．hope plays a rather vital role in both work and study.

A．apart B．at C．to D．on

A、Win 2000 retains few features of the NT 4.0 B、Win 2000 differs a lot from the NT 4.0 C、Win 2000 is the same as the Windows version NT 5.0 D、NT 4.0 and Windows 2000 have almost the same characteristics

A．Iran has the technology of producing Scud missile B．some countries could send long-range missile right after they decide to do so C．Iraq can not become a missile threat to America now D．both A and C

A．earns the biggest part of profits from iPhone. B．has always been the biggest winner in smart phone field. C．has just become the world"s largest company in size. D．defeated Exxon Mobil in the court.

A．preferred literature to linguistics. B．used to live in the outskirts of the city. C．didn't like reading writers like Updike. D．didn't get along well with her roommates.

A．like willow trees B．enjoy eating fallen leaves C．talk to caterpillars D．send a special vapor

A．they cost less money. B．the politicians themselves are old. C．they are the finest. D．they can help to win the aged voters.

A．temperatures can go from o to 80 degrees B．is snows throughout the year except for summer C．thunderstorms can be seen throughout the year D．it is more windy and rainy in the spring

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．has a Navajo mother and a white father. B．has lifted ideas from other literary works. C．has been suffering from visionary seizures. D．has told a story of his own experience.

A、So frightening he was B、So frightened he was C、So frightening was he D、So frightened was he