题目列表(包括答案和解析)
4. ---I often play basketball after supper.
----You’d better ____ that. It’s bad for you.
A. do B. not to do C. not do D. Can
3.----How are you feeling now? ________better , thanks.
A. Very B. So C. Much D. More
2.----How far is ______from here to the park? ---About twenty minutes’ walk.
A. there B. it C. that D. this
从A、B、C、D四个选项中,选出可以填入空白处的最佳答案。
1.( )---Where does Jim live? ---He lives in ____city of Richmond.
A. a B. an C. the D. /
1.Where is Einstein walking one day?
A. In London. B. In New York. C. In Washington.
2. What does his friend do?
A.Gives him a new coat. B. Asks him to buy a new coat.
C. Helps him to buy a new coat.
3. Why doesn’t Einstein buy a new coat?
A. Because he likes the old coat. B. Because he has no money.
C. Because he doesn’t mind it.
4. What about Einstein after a few years?
A. Becomes a famous doctor. B. Buys a new coat. C. Still wears the old coat.
5. What’s the best title for passage?
A. Einstein and his friend. B. Einstein’s coat C. Einstein and his new coat.
Dialogue One
1. Where is Jim when Bill calls him?
A. In the classroom. B. At the cinema. C. In the park.
2. Who answers the telephone?
A. Jim B. Jim’s sister. C. Jim’s brother
Dialogue Two
3. What’s the relationship(关系)between the two speakers?
A. New classmates B. Old friends C. Strangers(陌生人)。
4.When will the man leave?
A. In spring B. In autumn C. In winter.
5. Is the woman’s English good?
A. Yes, quite good B. No, even a little. C. Not good enough.
26.小明将一张矩形纸片沿对角线剪开,得到两张全等直角三角形纸片(如图2),量得他们的斜边长为10cm,较小锐角为30°,再将这两张三角纸片摆成如图3的形状,使点B、F、D在同一条直线上,F为公共直角顶点。然后小明又将图(3)中的△ABF沿直线AF翻折到图(4)的位置,点B落在FD边上的B1点,AB1交DE于点H。
请你说明:(1)AH=DH.;(2)点H在∠AFD的角平分线上。
25.如图,在△ABC中, D、E分别是AC、AB上的点, BD与CE交于点O. 给出下列三个条件:①∠EBO=∠DCO;②∠BEO=∠CDO;③BE=CD.
(1)上述三个条件中, 哪两个条件可判定△ABC是等腰三角形(用序号写出所有情形);
(2)选择第⑴小题中的一种情形, 证明△ABC是等腰三角形.
24.如图,在中,是上一点,交于点,,,与有什么位置关系?证明你的结论.
23.如图,在平面直角坐标系中,直线L是第一、三象限两坐标轴夹角的角平分线.
(1)由图观察易知A(0,2)关于直线L的对称点的坐标为(2,0),请在图中分别标明B(5,3) 、C(-2,5) 关于直线l的对称点、的位置,并写出他们的坐标:
、 ;
(2)结合图形观察以上三组点的坐标,你会发现:坐标平面内任一点P(a,b)关于第一、三象限两坐标轴角平分线L的对称点的坐标为 (不必证明);
(3)已知两点D(x, y)、E(-1, 1-3),关于第一、三象限两坐标轴夹角平分线对称,
那么x+3y=
(4)请你猜测:坐标平面内任一点Q(m,n)
关于第二、四象限两坐标轴角平分线
的对称点的坐标为
(不必证明);
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