当x=2时,代数式ax3﹣bx+1的值等于﹣17,那么当x=﹣1时,代数式12a

题型:填空题

问题:

当x=2时,代数式ax3﹣bx+1的值等于﹣17,那么当x=﹣1时,代数式12ax﹣3bx3﹣5的值等于(    ).

考点:代数式的求值
题型:填空题
将下列比写成连比:
(1)a:b=5:3,b:c=2:3
(2)x:y=
1
2
1
3
,x:z=0.2:0.3.
题型:填空题

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小题1:The witness was asked to      the suspect. (描述)

小题2:He is hard-working and always uses his free time        (明智).

小题3:I have       (决定)to write a complaint letter for my broken bike.

小题4:His attractive performance on the stage comes from           (日常)practice.

小题5:The coldest month in Yangzhou is January while the        (热),month is July.

小题6:If you want to stay     (health), you’d better go to bed early and do some exercise.

小题7:He devoted all his efforts to       (educate) children.

小题8:Alice found       (she) alone in the hole. She was very lonely.

小题9:Miss Wang found Jane was too        (care)because of so many mistakes in the exercise.

小题10:Do you know the        (interview)names from CCTV? I am not familiar with them.

题型:填空题

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A.1挡

B.2档

C.3挡

D.4档

题型:填空题

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题型:填空题

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