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
第一节:单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
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.有两条直线y=ax+b和y=cx+5,学生甲求得它们的交点坐标为(3,-2),学生乙因抄错c而解得它们的交点为(4,5),求这两条直线的解析式.
9.在同一坐标系中画出一次函数y1=-2x+1与y2=2x-3的图象,并根据图象回答下列问题:
(1)直线y1=-x+1、y2=2x-2与y轴分别交于点A、B,请写出A、B两点的坐标.
(2)写出直线y1=-2x+1与y2=2x-3的交点P的坐标.
(3)求△PAB的面积.
探究园
8.直线y=2x-1与y=x+4的交点是(5,9),则当x_______时,直线y=2x-1上的点在直线y=x+4上相应点的上方;当x_______时,直线y=2x-1上的点在直线y=x+4上相应点的下方.
☆我能答
7.已知函数y=mx-(4m-3)的图象过原点,则m应取值为__________.
6.解方程组解为________,则直线y=-x+15和y=x-7的交点坐标是________.
5.已知直线y=ax+b经过点(1,2)和(2,3),则a=________,b=________.
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