“The creation of the PC is the best thing that ever happened，” said Bill Gates at a conference on “digital dividends” in 2000. He even wondered if it might be possible to make computers for the poor i
Assistants in record shops are used to receiving “humming queries”： a customer comes into the store humming a song he wants， but cannot remember either the title or the artist. Knowledgeable staff are
It is a devastating prospect. Terrorists electronically break into the computers that control the water supply of a large American city， open and close valves to contaminate the water with untreated s
Muffin Man has more than 2，000 songs on his hard drive， and he’s happy to share them. He’s a big fan of bands like Pearl Jam and the White Stripes， so there’s plenty of hard rock in his collection.But
61.I want to use the same tools _______used in your factory a few days ago.A. as was B. which was C. as were D. which62.My neigh bours used to give me a hand in time of trouble, _______ was very kind
51. Last summer we visited the West Lake, ______Hangzhou is famous in the world.A. for which B. for that C. in which D. what52.I have bought such a watch _______ was advertised on TV.A. that B. which
41.I want to use the same dictionary ______was used yesterday.A. which B. who C. what D. as42.He isn’t such a man ______he used to be.A. who B. whom C. that D. as43.He is good at English, ______we all
31.That is the day ______I’ll never forget.A. which B. on which C. in which D. when32.The factory ______we’ll visit next week is not far from here.A. where B. to which C. which D. in which33.Great cha
21. The people, ________ had been damaged by the flood, were given help by the Red Cross.A. all whose homes B. all of whose homesC. all their homes D. all of their homes22. The humans are destroying n
11. —How did you get in touch with the travel agent, Robin?—Oh, that’s easy. I surfed the Internet and then called one ________ the telephone number is provided.A. which B. in which C. of which D. who