1/5 of the students__late for school.————A.is B.are

Each of the students_(wants) a computer Hundreds of students_ out of the school after classpoured put took brought Quiet!The students_(have)an English class. what are the students_( do)?they're _ read books. _the students_ (draw) when the teacher came into the classroom 用所给词的适当形式填空. Now the students hardly ever go to school by bike.Now the students_ _their bikes to school. 正确率要百分百1.—Why is Harvey's mother so happy?—Because none of the students_,including his son Harvey.A;made progress B;passed the exam C;failed the exam2.I will take part in Julie's birthday party because i was_A;invited B;suggested C; Is _ important for students_ healthy habits?Of course A.it,haveB.it,to haveC.that,haveD.that,to have 急 1.New things always have to face difficulties_they grow.A.when B.as C.since D.during 2.When the teacher came in,the students_.A.are talking happily B.were talking happily C.talked happily D.has been talking happily 3.I was about to go out for a walk_ 1.Great changes _ _ _in China in recent years(发生）2.We should _ _ _to control the population（采取一些措施）3._of the students_ girls in our classA.One fifth;are B.One fifth;is C.First fifth;are4.-I have ever been to Beijing.- _A.So have GRE数学题1题.3（r/3+s/4+5/3）与r-s+5比较大小2题.The sum of 2 and the number of edges of a cube与The sum of the number of vertices of a cube and the number of faces of a cube大小3题.The number of walking steps,each of length 0.4 meter, 写出下列词语的所有格形式(1)the ping-pong ball of Jim____(2)the farm of Mr.White______(3)the key of my friend____(4)the car of the policeman___(5)the knives of the cook___(6)the boat of that fisherman(7)the drees of Miss Wang____(8)the nes 英语中的美国文学1,Moby Dick 2,The Last of the Mohicans 3,The Fall of the House of Usher 4,The Legend of Sleepy Hollow 5,The Adventures of Tom Sawyer 6,The Portrait of A Lady 7,Martin Eden 8,Sister Carrie 9,The Great Gatsby 10,The Grapes of Wr Two sides of a triangle are 5cm and 9cm long.The ratio of the opposite angles is 1:3.Determine the angles and the length of the third side of the triangle! within 5% of the sample mean 95% of the time 英语翻译Fig.3 Influence of the damping of the continuous isolatorInfluences of the characteristics of the foundationFig.4 Influence of the stiffness of the foundationFig.5 Influence of the damping of the foundation 新GRE数学 For which of the following sets of numbers is the product of the three numbers lessFor which of the following sets of numbers is the product of the three numbers less than each member of the set?Ⅰ1/4,2/3,3/4 Ⅱ-1/2,-1,4 Ⅲ -2,3,5A C#阶乘问题计算阶乘.比如用户在TextBox里输入7,就会显示 ：The factorial of 1 is 1The factorial of 2 is 2The factorial of 3 is 6The factorial of 4 is 24The factorial of 5 is 120The factorial of 6 is 720The factorial of 7 is 5040.这