1.选择题- (共12题)
1.如图,在正方形纸片ABCD中,EF∥AD,M,N是线段EF的六等分点,若把该正方形纸片卷成一个圆柱,使点A与点D重合,此时,底面圆的直径为10cm,则圆柱上M,N两点间的距离是{#blank#}1{#/blank#}cm.
2.
如图,在平面直角坐标系中,一次函数y= x+1的图象分别与x轴、y轴交于A、B两点,以A为圆心,适当长为半径画弧分别交AB、AO于点C、D,再分别以C、D为圆心,大于 CD的长为半径画弧,两弧交于点E,连接AE并延长交y轴于点F,则下列说法正确的个数是( )
①AF是∠BAO的平分线;
②∠BAO=60°;
③点F在线段AB的垂直平分线上;
④S△AOF:S△ABF=1:2.
3.
如图,在平面直角坐标系中,一次函数y= x+1的图象分别与x轴、y轴交于A、B两点,以A为圆心,适当长为半径画弧分别交AB、AO于点C、D,再分别以C、D为圆心,大于 CD的长为半径画弧,两弧交于点E,连接AE并延长交y轴于点F,则下列说法正确的个数是( )
①AF是∠BAO的平分线;
②∠BAO=60°;
③点F在线段AB的垂直平分线上;
④S△AOF:S△ABF=1:2.
4.人类的遗传物质就是DNA,人类的DNA是很长的链,最短的22号染色体也长达30000000个核苷酸,30 000 000用科学记数法表示为{#blank#}1{#/blank#}.
5.人类的遗传物质就是DNA,人类的DNA是很长的链,最短的22号染色体也长达30000000个核苷酸,30 000 000用科学记数法表示为{#blank#}1{#/blank#}.
6.人类的遗传物质就是DNA,人类的DNA是很长的链,最短的22号染色体也长达30000000个核苷酸,30 000 000用科学记数法表示为{#blank#}1{#/blank#}.
8.如图所示,一幢楼房AB背后有一台阶CD,台阶每层高0.2米,且AC=17.2米,设太阳光线与水平地面的夹角为α,当α=60°时,测得楼房在地面上的影长AE=10米,现有一只小猫睡在台阶的MN这层上晒太阳.( {#mathml#}{#/mathml#} 取1.73)
9.如图所示,一幢楼房AB背后有一台阶CD,台阶每层高0.2米,且AC=17.2米,设太阳光线与水平地面的夹角为α,当α=60°时,测得楼房在地面上的影长AE=10米,现有一只小猫睡在台阶的MN这层上晒太阳.( {#mathml#}{#/mathml#} 取1.73)
10.如图所示,一幢楼房AB背后有一台阶CD,台阶每层高0.2米,且AC=17.2米,设太阳光线与水平地面的夹角为α,当α=60°时,测得楼房在地面上的影长AE=10米,现有一只小猫睡在台阶的MN这层上晒太阳.( {#mathml#}{#/mathml#} 取1.73)
11.如图所示,一幢楼房AB背后有一台阶CD,台阶每层高0.2米,且AC=17.2米,设太阳光线与水平地面的夹角为α,当α=60°时,测得楼房在地面上的影长AE=10米,现有一只小猫睡在台阶的MN这层上晒太阳.( {#mathml#}{#/mathml#} 取1.73)
12.某网店尝试用单价随天数而变化的销售模式销售一种商品,利用30天的时间销售一种成本为10元/件的商品售后,经过统计得到此商品单价在第x天(x为正整数)销售的相关信息,如表所示:
销售量n(件) | n=50﹣x |
销售单价m(元/件) | 当1≤x≤20时,m=20+ x |
当21≤x≤30时,m=10+ |
2.单项选择- (共9题)
13.
______ is our hope that we will pay another visit to Paris this summer.
A.This | B.That | C.There | D.It |
14.
Joe,who is ______ success as a writer,will give us ______ lecture on Dickens tomorrow.
A.a;a | B.a;不填 | C.不填;a | D.不填;不填 |
15.
—What do you think of your trip to Mount Tai?
—Wonderful.It was______than expected.
—Wonderful.It was______than expected.
A.a lot wonderful | B.more much wonderful |
C.so much wonderful | D.far more wonderful |
16.
It was _________ of the parents who hold the view that boys are superior to girls to treat their own little girl as a stranger.
A.athletic | B.cheerful | C.guilty | D.cautious |
17.
In our country everyone can enjoy the same right_______religion, race or sex.
A.in case of | B.instead of |
C.regardless of | D.in regard to |
18.
The newly-built café, the walls of are painted light green, is really a peaceful place for us, especially after hard work.
A.that | B.it | C.what | D.which |
19.
We learned to dive, ________ meals outside and sleep in a tent.
A.cooked | B.cook | C.cooking | D.to cook |
20.
Do you have any idea when the project will be carried out?
—No, but I have heard that it was not until last month _______ it was approved.
—No, but I have heard that it was not until last month _______ it was approved.
A.that | B.when | C.since | D.before |
试卷分析
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【1】题量占比
选择题:(12道)
单项选择:(9道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:9
7星难题:0
8星难题:0
9星难题:0