问题:单选题The development of industry has been _____ gradual process throughout _____ human existence, from stone tools to modern technology.A 不填; theB the; aC a; 不填D a; a
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问题:填空题若不等式x2-ax-b<0的解集是{x|2<x<3},则a+b=____.
问题:单选题Was it because he was ill _____ he asked for leave?A soB whenC whyD that
问题:单选题A farmerB hardC quarterD guitar
问题:单选题He was becoming fat, _____ bothered him very much.A thatB whatC thisD which
问题:单选题现有四种不同款式的上衣与三件不同颜色的长裤,如果一条长裤与一件上衣配成一套,则不同的配套数为( ).A 7B 6C 12D 81
问题:单选题A excitedB interestedC relaxedD bored
问题:单选题下列各命题中,哪个是真命题( ).A 若A∩B=∅,则A=∅或B=∅B 两条对角线相等的四边形是正方形C 若A∪B=U(U为全集),则A=U或B=UD 如果一个角的两边分别垂直于另一个角的两边,那么这两个角相等或互补
问题:单选题None of us knew how the change had come _____.A acrossB aboutC overD down
问题:单选题Tom, more than anyone else, _____ anxious to go there again.A areB wereC isD being
问题:单选题How did the writer escape the bees?A She covered her face with her hands.B She hid behind the rocks.C She jumped into a water pool.D She pretended to be a rock.
问题:单选题The suggested plan was to _____.A turn off the lights in factories and schoolsB observe a few minutes of total silenceC dim all electric lightsD shut off all electricity for a short time
问题:单选题Climate change will greatly _____ wheat and rice production if nations don’t take steps now.A fallB leakC lackD reduce
问题:单选题—When will you be back?—I’ll be back _____ a couple of days.A afterB forC aboutD in
问题:单选题Who did the grandfather want to leave the gold to?A The grandson.B The girl.C The poor.D The old.
问题:单选题It was in their London branch _____ we met and discussed the issue.A thatB whichC howD what
问题:单选题What does this tour company think can show Beijing is a fast developing modern city?A Beijing Capital Airport.B Bird’s Nest, Water Cube and Olympic Park.C Tian’anmen Square and the Forbidden City.D The Great Wall and the Summer Palace.
问题:单选题A dearB hearC yearD pear
问题:单选题The news came as no surprise to me. I _____ for some time that the factory was going to shut down.A had knownB knewC have knownD knows
问题:单选题Who always go to the computer game houses?A Young girlsB Young childrenC Young studentsD Young boys.