25.- Has your former classmate come back from America?
- Yes, he___there for eight years
A.has stayed B.stays C.stayed D.had stayed
24.- Have you been to the Great Wall?
- Perhaps not in my memory.____________, it might have been during my early childhood.
A.If any B.If ever C.If once D.If not
23.The students were sitting in the classroom with their eyes _________on the teachers
A.being B.fixed C.were fixed D.being fixed
22.- David, keep_________ in mind that you have to be home by 10 o'clock.
- OK, Mom, I will.
A.it B.me C.this D.one
第一节:单项填空(共15分,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。
21.____________Olympic Marathon is 26 miles and 385 yards, approximately _________distance from Marathon to Athens.
A.An; the B.X;a C.An;a D.X;the
9.
体育测试时,初三一名高个学生推铅球,已知铅球所经过的路线为抛物线
的一部分,根据关系式回答:
⑴ 该同学的出手最大高度是多少?
⑵ 铅球在运行过程中离地面的最大高度是多少?
⑶ 该同学的成绩是多少?
8.如图,用长为18 m的篱笆(虚线部分),两面靠墙围成矩形的苗圃.
⑴
设矩形的一边为
面积为
(m2),求
关于
的函数关系式,并写出自变量
的取值范围;
⑵ 当
为何值时,所围苗圃的面积最大,最大面积是多少?
![]()
7. 根据下列表格中二次函数
的自变量
与函数值
的对应值,判断方程
(
为常数)的一个解
的范围是( )
A.
B.
C.
D.![]()
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