4. I shall certainly not tell him the news. ________, it will go to his ears.
A. Besides B. Moreover C. Nevertheless D. Meanwhile
3. --- You 've made great progress in your English study.
--- Yes, but much _________.
A. remains to do B. is remained to do
C. remains to be done D. is remained to be done
2. The world’s supplies of coal _______ gradually _______ up with the development of modern technology.
A. is; used B. are being; used C. has; used D. have been; using
第一節(jié):?jiǎn)雾?xiàng)填空(共15小題;每小題1分,滿分15分)
從A、B、C、D四個(gè)選項(xiàng)中,選出可以填入空白處的最佳選項(xiàng),并在答題卡上將該項(xiàng)涂黑。
1. If a person has never tasted ______ is bitter, he does not know ______ is sweet.
A. that; that B. what; what C. that; what D. what; that
10.有兩條直線y=ax+b和y=cx+5,學(xué)生甲求得它們的交點(diǎn)坐標(biāo)為(3,-2),學(xué)生乙因抄錯(cuò)c而解得它們的交點(diǎn)為(4,5),求這兩條直線的解析式.
9.在同一坐標(biāo)系中畫出一次函數(shù)y1=-2x+1與y2=2x-3的圖象,并根據(jù)圖象回答下列問(wèn)題:
(1)直線y1=-x+1、y2=2x-2與y軸分別交于點(diǎn)A、B,請(qǐng)寫出A、B兩點(diǎn)的坐標(biāo).
(2)寫出直線y1=-2x+1與y2=2x-3的交點(diǎn)P的坐標(biāo).
(3)求△PAB的面積.
探究園
8.直線y=2x-1與y=x+4的交點(diǎn)是(5,9),則當(dāng)x_______時(shí),直線y=2x-1上的點(diǎn)在直線y=x+4上相應(yīng)點(diǎn)的上方;當(dāng)x_______時(shí),直線y=2x-1上的點(diǎn)在直線y=x+4上相應(yīng)點(diǎn)的下方.
☆我能答
7.已知函數(shù)y=mx-(4m-3)的圖象過(guò)原點(diǎn),則m應(yīng)取值為__________.
6.解方程組解為________,則直線y=-x+15和y=x-7的交點(diǎn)坐標(biāo)是________.
5.已知直線y=ax+b經(jīng)過(guò)點(diǎn)(1,2)和(2,3),則a=________,b=________.
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