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【简答题】
The radius of the circle O is 2. The chord AB is equal to the chord CD. Both of the distance from the 2 chords to point O are 1. The area range of the quadrilateral ABCD is ___.(英汉小词典:radius半径;chord弦;quadrilateral四边形)
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参考答案：
举一反三
【单选题】My first _____ was to turn and run.
A.
institute
B.
institution
C.
instinct
D.
tuition
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【单选题】Liuxiang won his first gold medal _____ the age of 19.
A.
in
B.
at
C.
with
D.
on
查看完整题目与答案
【单选题】在幼儿生活中进行常规教育，下列说法不正确的是 ()
A.
教师要从长期自居的领导者的宝座上走下来，建立平等的师幼关系。
B.
教师要引导幼儿自信，鼓励幼儿主动发展。
C.
教师要规范自身的行为，为幼儿树立榜样，促进幼儿养成自觉的行为习惯。
D.
幼儿生活常规教育无需家长的参与。
查看完整题目与答案
【单选题】First editions of certain popular books cannot be obtained for love or money.
A.
at any place
B.
at any price
C.
in any language
D.
in any country
查看完整题目与答案
【单选题】A:I prefer first class, what the fare?B:_________________________________________
A.
One way is $176.
B.
I prefer first class.
C.
Ok I will take the 9:30 flight on Tuesday.
D.
It’s too expensive.
查看完整题目与答案
【单选题】I made a bad impression ________ the teacher ________ arriving late on my first day.A．on; byB．to
A.
19. I made a bad impression ________ the teacher ________ arriving late on my first day. A．on; by
B.
to; for
C.
on; in
D.
to; when
查看完整题目与答案
【单选题】Today is the first day and ________.
A.
Tuesday is fourth
B.
Thursday is the fourth
C.
second is Tuesday
D.
a second is Thursday
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【单选题】It is reported that China has created the first man－made sun in the world recently, ______ ?A．is
A.
19. It is reported that China has created the first man-made sun in the world recently, ______ ? A．isn’t it
B.
is it
C.
hasn’t it
D.
has it
查看完整题目与答案
【单选题】All clinical trials were on __ in the first three methods
A.
all-ceramic RBFDPs made from glass-infiltrated alumina ceramic
B.
zirconia ceramic using either RBFDPs or IRFDFs
C.
alumina ceramic IRFDFs or with RBFDPs made from densely sintered alumina ceramic
D.
bonded oxide ceramic restorations
查看完整题目与答案
【单选题】用水平力 把一个物体压在靠在粗糙竖直墙面上保持静止,当 逐渐增大时,物体所受的静摩擦力 的大小
A.
不为零,但保持不变;
B.
随 成正比地增大;
C.
开始随 增大,达某最大值后保持不变;
D.
无法确定。
查看完整题目与答案
相关题目：
【单选题】My first _____ was to turn and run.
A.
institute
B.
institution
C.
instinct
D.
tuition
查看完整题目与答案
【单选题】Liuxiang won his first gold medal _____ the age of 19.
A.
in
B.
at
C.
with
D.
on
查看完整题目与答案
【单选题】在幼儿生活中进行常规教育，下列说法不正确的是 ()
A.
教师要从长期自居的领导者的宝座上走下来，建立平等的师幼关系。
B.
教师要引导幼儿自信，鼓励幼儿主动发展。
C.
教师要规范自身的行为，为幼儿树立榜样，促进幼儿养成自觉的行为习惯。
D.
幼儿生活常规教育无需家长的参与。
查看完整题目与答案
【单选题】First editions of certain popular books cannot be obtained for love or money.
A.
at any place
B.
at any price
C.
in any language
D.
in any country
查看完整题目与答案
【单选题】A:I prefer first class, what the fare?B:_________________________________________
A.
One way is $176.
B.
I prefer first class.
C.
Ok I will take the 9:30 flight on Tuesday.
D.
It’s too expensive.
查看完整题目与答案
【单选题】I made a bad impression ________ the teacher ________ arriving late on my first day.A．on; byB．to
A.
19. I made a bad impression ________ the teacher ________ arriving late on my first day. A．on; by
B.
to; for
C.
on; in
D.
to; when
查看完整题目与答案
【单选题】Today is the first day and ________.
A.
Tuesday is fourth
B.
Thursday is the fourth
C.
second is Tuesday
D.
a second is Thursday
查看完整题目与答案
【单选题】It is reported that China has created the first man－made sun in the world recently, ______ ?A．is
A.
19. It is reported that China has created the first man-made sun in the world recently, ______ ? A．isn’t it
B.
is it
C.
hasn’t it
D.
has it
查看完整题目与答案
【单选题】All clinical trials were on __ in the first three methods
A.
all-ceramic RBFDPs made from glass-infiltrated alumina ceramic
B.
zirconia ceramic using either RBFDPs or IRFDFs
C.
alumina ceramic IRFDFs or with RBFDPs made from densely sintered alumina ceramic
D.
bonded oxide ceramic restorations
查看完整题目与答案
【单选题】用水平力 把一个物体压在靠在粗糙竖直墙面上保持静止,当 逐渐增大时,物体所受的静摩擦力 的大小
A.
不为零,但保持不变;
B.
随 成正比地增大;
C.
开始随 增大,达某最大值后保持不变;
D.
无法确定。
查看完整题目与答案
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