- Being alone in outer space can be frightening. That is one reason why astronauts on solo (单独的) space flights were ...
- Ero Carrera is watching the computer screen in a lab in California as he tracks a new computer virus slowly circling ...
- Adults are often surprised by how well they remember something they learned as children but have never practised in t...
- “When a customer enters my store, forget me. He is King, ’’said John Wanamaker, who in l876 turned an abandoned railw...
- One topic is rarely mentioned in all the talk of improving standards in our schools: the almost complete failure of f...
- We already have ______ pencils, but we need two ______ pens.A.dozen of, dozeB.dozens of, dozensC.dozens of, dozenD...
- 阅读下面短文,从短文后所给各题的四个选项(A、B、C、D)中, 选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。There wa...
- Information and opinion gap exercises have to have some content ______ talking about.A.worth whileB.worthilyC.wort...
- It is not rare in ____ that people in ____fifties are going to university for further education.A.90s, theB.the 90s...
- It will take _____ time to finish the project.A.one and a half months’B.a month and a halfC.one and a half month’s...
- To celebtate her mother’s birthday, she prepared ______ drink and cakes, sharing with neighbours.A.a large number of...
- Prices reach equilibrium at the level at which quantity demanded ______ quantity supplied.A.is equal toB.equalC.eq...
- 短文改错(共10小题,每小题1分,满分10分) 此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行...
- Even though it was only October, my students were already whispering about Christmas plans. With each passing day eve...
- Nearly________ of the surface of our planet is covered by water.A.seven-tenB.seven-tenthC.seven-tenthsD.seventh-ten