30.His report on the space exploration was really ________.A.exciting B.excited C.excitement D.excitedly31.Your chair needs _______.A.to repair B.repairing C.to...[详细]
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25.Please telephone me half an hour _______.A.in charge B.in advance C.in time D.in front26.Both Mary and Ellen,as well as Jan,_______ studying Chinese History....[详细]
5 2024-03-11
20.One of the requirements for a fire is that the material ______ to its burning temperature.A.were heated B.must be heated C.is heated D.be heated21.Please ___...[详细]
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15.I asked my teacher _______.A.what courses should I take B.should I take what coursesC.I should take what courses D.what courses I should take16.Comrade Li pr...[详细]
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Ⅱ.Vocabulary and Structure(40 points)Directions:There are 40 incomplete sentences in this section.For each sentence there are four choices marked A,B,C and D.Ch...[详细]
4 2024-03-11
Ⅰ.Phonetics(10 points)Directions:In each of the following groups of words,there are four underlined letter combinations marked A,B,C and D.Compare the underline...[详细]
5 2024-03-11
填空题1、设函数y=sin2x,则y'=_____。2、设函数y=xsinx,则y'=_____。3、设函数y=sinx,则y'=_____。4、设函数ƒ(x)=cosx,则ƒ'(x)=_____。5、设函数y=sin(2x+1),则y'=_____。6、设x2为f(x)的一个原...[详细]
0 2024-03-11
1.[单选题]从甲地到乙地有2条路可通,从乙地到丙地有3条路可通,从甲地到丁地有4条路可通,从丁地到丙地有2条路可通,那么从甲地到丙地共有()种不同的走法。A6种B8种C14种D48种2[.单选题]袋中有8个乒乓球,其中5个白色球,3个黄色球,一次从中任取2个乒乓球,则取出的2个球均为白色球的概率为()。A.5/8B....[详细]
1 2024-03-11