1)已知x=t-1,y=5t+4,则x与y的关系式是_______2）There ____ a library,a canteen and two tall buildings in my school.A is B are C has D have3)Will you give me ___ water?A some B any C a few D little 4)We should help our parents ___ the housework

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1)已知x=t-1,y=5t+4,则x与y的关系式是_______2）There____alibrary,acanteenandtwotallbuildingsinmyschool.AisBareCh

1)已知x=t-1,y=5t+4,则x与y的关系式是_______2）There ____ a library,a canteen and two tall buildings in my school.A is B are C has D have3)Will you give me ___ water?A some B any C a few D little 4)We should help our parents ___ the housework
1)已知x=t-1,y=5t+4,则x与y的关系式是_______
2）There ____ a library,a canteen and two tall buildings in my school.
A is B are C has D have
3)Will you give me ___ water?
A some B any C a few D little
4)We should help our parents ___ the housework.
A doing B did C does D do
5)There are eighteen ___ (floor) in our block.

1)已知x=t-1,y=5t+4,则x与y的关系式是_______2）There ____ a library,a canteen and two tall buildings in my school.A is B are C has D have3)Will you give me ___ water?A some B any C a few D little 4)We should help our parents ___ the housework
y=5x+9
A
A
D
floors

y=x+4t+5
A
A
D
floors

1.5x+9
2.A there be句型就近原则。就是靠近be动词的是单数就用单数即is。切记没有there have\has的说法。
3.B
4.D help sb. do sth.
5.floors

已知{x=t-1,y=5t+4,则x与y的关系式是() 已知{x=t-1,y=5t+4,则x与y的关系式是() 已知：x=T-1,Y=5T-4,则X与Y的关系式是什么 已知2x+t=1 y-t=3 ,则y与x的关系式------------------ 已知x=4t-1/2,y=t+1/4,则x与y的关系是 已知x=4t-1/2,y=t+1/4,则x与y的关系 已知 x=5-2t y+3t=-1 ,则x与y的关系式? 已知x=1-2t,y=5-2t/7-4t,用的y代数式表示x 已知x=1-2t,y=t-1,则x与y的关系式是? 已知{x=1-2t y=t-1则x与y的关系式 （二元一次方程） 1.若方程组ax-by=4 ax+by=2与2x+3y=9 4x-5y=7同解,则a=_______,b=________.2.已知x+y+z=1,x+y+t=2,x+z+t=3,y+z+t=9,则x+y+z+t的值是_________. 已知X=t+1,y=2t-1 已知x=（1-2t）,y=（5-2t）/（7-4t）,用的y代数式表示x是用“y”表示“x”! 已知x=1-t/2+t,y=5+4t/3-2t,用x的代数式表示y 已知x=4t-2分之1,y=t+4分之1,则x与y的关系为 已知x=5t+1,y=4t-3,用含x的式子表示y 已知x=5-t,y-3=2t,则x与Y之间的关系式是? 已知x=5-t,y-3=2t,则x与y之间的关系式是?